Home / 115,056.68-158,773.92-64,071.24

Finding the Fourth Proportional to 115,056.68, 158,773.92 and 64,071.24

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Solution

The fourth proportional to 115,056.68, 158,773.92 and 64,071.24 is: 88,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,056.68 : 158,773.92 = 64,071.24 : x
  2. Step 2: Convert to fraction form
    115,056.68/158,773.92 = 64,071.24/x
  3. Step 3: Cross multiply
    115,056.68x = 158,773.92 × 64,071.24
  4. Step 4: Simplify right side
    115,056.68x = 10,172,841,934.06
  5. Step 5: Solve for x
    x = 10,172,841,934.06/115,056.68
  6. Step 6: Final answer
    x = 88,415.92

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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.