Home / 110,487.86-152,563.20-90,073.16

Finding the Fourth Proportional to 110,487.86, 152,563.20 and 90,073.16

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Solution

The fourth proportional to 110,487.86, 152,563.20 and 90,073.16 is: 124,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,487.86 : 152,563.20 = 90,073.16 : x
  2. Step 2: Convert to fraction form
    110,487.86/152,563.20 = 90,073.16/x
  3. Step 3: Cross multiply
    110,487.86x = 152,563.20 × 90,073.16
  4. Step 4: Simplify right side
    110,487.86x = 13,741,849,523.71
  5. Step 5: Solve for x
    x = 13,741,849,523.71/110,487.86
  6. Step 6: Final answer
    x = 124,374.29

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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.