Home / 123,617.04-185,457.96-53,479.92

Finding the Fourth Proportional to 123,617.04, 185,457.96 and 53,479.92

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Solution

The fourth proportional to 123,617.04, 185,457.96 and 53,479.92 is: 80,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,617.04 : 185,457.96 = 53,479.92 : x
  2. Step 2: Convert to fraction form
    123,617.04/185,457.96 = 53,479.92/x
  3. Step 3: Cross multiply
    123,617.04x = 185,457.96 × 53,479.92
  4. Step 4: Simplify right side
    123,617.04x = 9,918,276,864.16
  5. Step 5: Solve for x
    x = 9,918,276,864.16/123,617.04
  6. Step 6: Final answer
    x = 80,233.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.