Home / 124,914.10-172,377.16-71,216.41

Finding the Fourth Proportional to 124,914.10, 172,377.16 and 71,216.41

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Solution

The fourth proportional to 124,914.10, 172,377.16 and 71,216.41 is: 98,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.10 : 172,377.16 = 71,216.41 : x
  2. Step 2: Convert to fraction form
    124,914.10/172,377.16 = 71,216.41/x
  3. Step 3: Cross multiply
    124,914.10x = 172,377.16 × 71,216.41
  4. Step 4: Simplify right side
    124,914.10x = 12,276,081,892.21
  5. Step 5: Solve for x
    x = 12,276,081,892.21/124,914.10
  6. Step 6: Final answer
    x = 98,276.19

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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.