Home / 99,344.16-137,025.54-67,457.70

Finding the Fourth Proportional to 99,344.16, 137,025.54 and 67,457.70

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Solution

The fourth proportional to 99,344.16, 137,025.54 and 67,457.70 is: 93,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,344.16 : 137,025.54 = 67,457.70 : x
  2. Step 2: Convert to fraction form
    99,344.16/137,025.54 = 67,457.70/x
  3. Step 3: Cross multiply
    99,344.16x = 137,025.54 × 67,457.70
  4. Step 4: Simplify right side
    99,344.16x = 9,243,427,769.66
  5. Step 5: Solve for x
    x = 9,243,427,769.66/99,344.16
  6. Step 6: Final answer
    x = 93,044.50

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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.