Home / 124,754.30-172,171.14-71,056.16

Finding the Fourth Proportional to 124,754.30, 172,171.14 and 71,056.16

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Solution

The fourth proportional to 124,754.30, 172,171.14 and 71,056.16 is: 98,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,754.30 : 172,171.14 = 71,056.16 : x
  2. Step 2: Convert to fraction form
    124,754.30/172,171.14 = 71,056.16/x
  3. Step 3: Cross multiply
    124,754.30x = 172,171.14 × 71,056.16
  4. Step 4: Simplify right side
    124,754.30x = 12,233,820,071.22
  5. Step 5: Solve for x
    x = 12,233,820,071.22/124,754.30
  6. Step 6: Final answer
    x = 98,063.31

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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.