Home / 83,401.52-115,102.34-47,596.92

Finding the Fourth Proportional to 83,401.52, 115,102.34 and 47,596.92

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Solution

The fourth proportional to 83,401.52, 115,102.34 and 47,596.92 is: 65,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,401.52 : 115,102.34 = 47,596.92 : x
  2. Step 2: Convert to fraction form
    83,401.52/115,102.34 = 47,596.92/x
  3. Step 3: Cross multiply
    83,401.52x = 115,102.34 × 47,596.92
  4. Step 4: Simplify right side
    83,401.52x = 5,478,516,630.81
  5. Step 5: Solve for x
    x = 5,478,516,630.81/83,401.52
  6. Step 6: Final answer
    x = 65,688.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.