Home / 83,401.64-115,102.48-47,597.04

Finding the Fourth Proportional to 83,401.64, 115,102.48 and 47,597.04

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Solution

The fourth proportional to 83,401.64, 115,102.48 and 47,597.04 is: 65,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,401.64 : 115,102.48 = 47,597.04 : x
  2. Step 2: Convert to fraction form
    83,401.64/115,102.48 = 47,597.04/x
  3. Step 3: Cross multiply
    83,401.64x = 115,102.48 × 47,597.04
  4. Step 4: Simplify right side
    83,401.64x = 5,478,537,344.66
  5. Step 5: Solve for x
    x = 5,478,537,344.66/83,401.64
  6. Step 6: Final answer
    x = 65,688.60

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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.