Home / 93,792.13-129,461.29-81,180.70

Finding the Fourth Proportional to 93,792.13, 129,461.29 and 81,180.70

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Solution

The fourth proportional to 93,792.13, 129,461.29 and 81,180.70 is: 112,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.13 : 129,461.29 = 81,180.70 : x
  2. Step 2: Convert to fraction form
    93,792.13/129,461.29 = 81,180.70/x
  3. Step 3: Cross multiply
    93,792.13x = 129,461.29 × 81,180.70
  4. Step 4: Simplify right side
    93,792.13x = 10,509,757,618.50
  5. Step 5: Solve for x
    x = 10,509,757,618.50/93,792.13
  6. Step 6: Final answer
    x = 112,053.73

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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.