Home / 124,752.17-172,157.83-71,037.19

Finding the Fourth Proportional to 124,752.17, 172,157.83 and 71,037.19

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Solution

The fourth proportional to 124,752.17, 172,157.83 and 71,037.19 is: 98,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,752.17 : 172,157.83 = 71,037.19 : x
  2. Step 2: Convert to fraction form
    124,752.17/172,157.83 = 71,037.19/x
  3. Step 3: Cross multiply
    124,752.17x = 172,157.83 × 71,037.19
  4. Step 4: Simplify right side
    124,752.17x = 12,229,607,805.11
  5. Step 5: Solve for x
    x = 12,229,607,805.11/124,752.17
  6. Step 6: Final answer
    x = 98,031.22

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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.