Home / 101,864.28-140,565.89-61,600.25

Finding the Fourth Proportional to 101,864.28, 140,565.89 and 61,600.25

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Solution

The fourth proportional to 101,864.28, 140,565.89 and 61,600.25 is: 85,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,864.28 : 140,565.89 = 61,600.25 : x
  2. Step 2: Convert to fraction form
    101,864.28/140,565.89 = 61,600.25/x
  3. Step 3: Cross multiply
    101,864.28x = 140,565.89 × 61,600.25
  4. Step 4: Simplify right side
    101,864.28x = 8,658,893,416.64
  5. Step 5: Solve for x
    x = 8,658,893,416.64/101,864.28
  6. Step 6: Final answer
    x = 85,004.22

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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.