Home / 108,432.50-149,637.60-60,690.26

Finding the Fourth Proportional to 108,432.50, 149,637.60 and 60,690.26

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Solution

The fourth proportional to 108,432.50, 149,637.60 and 60,690.26 is: 83,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,432.50 : 149,637.60 = 60,690.26 : x
  2. Step 2: Convert to fraction form
    108,432.50/149,637.60 = 60,690.26/x
  3. Step 3: Cross multiply
    108,432.50x = 149,637.60 × 60,690.26
  4. Step 4: Simplify right side
    108,432.50x = 9,081,544,849.78
  5. Step 5: Solve for x
    x = 9,081,544,849.78/108,432.50
  6. Step 6: Final answer
    x = 83,752.98

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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.