Home / 83,625.04-115,402.26-45,384.76

Finding the Fourth Proportional to 83,625.04, 115,402.26 and 45,384.76

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Solution

The fourth proportional to 83,625.04, 115,402.26 and 45,384.76 is: 62,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,625.04 : 115,402.26 = 45,384.76 : x
  2. Step 2: Convert to fraction form
    83,625.04/115,402.26 = 45,384.76/x
  3. Step 3: Cross multiply
    83,625.04x = 115,402.26 × 45,384.76
  4. Step 4: Simplify right side
    83,625.04x = 5,237,503,873.56
  5. Step 5: Solve for x
    x = 5,237,503,873.56/83,625.04
  6. Step 6: Final answer
    x = 62,630.81

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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.