Home / 108,738.17-150,058.68-60,990.47

Finding the Fourth Proportional to 108,738.17, 150,058.68 and 60,990.47

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Solution

The fourth proportional to 108,738.17, 150,058.68 and 60,990.47 is: 84,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,738.17 : 150,058.68 = 60,990.47 : x
  2. Step 2: Convert to fraction form
    108,738.17/150,058.68 = 60,990.47/x
  3. Step 3: Cross multiply
    108,738.17x = 150,058.68 × 60,990.47
  4. Step 4: Simplify right side
    108,738.17x = 9,152,149,420.78
  5. Step 5: Solve for x
    x = 9,152,149,420.78/108,738.17
  6. Step 6: Final answer
    x = 84,166.85

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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.