Home / 61,115.30-91,661.76-25,567.15

Finding the Fourth Proportional to 61,115.30, 91,661.76 and 25,567.15

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Solution

The fourth proportional to 61,115.30, 91,661.76 and 25,567.15 is: 38,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.30 : 91,661.76 = 25,567.15 : x
  2. Step 2: Convert to fraction form
    61,115.30/91,661.76 = 25,567.15/x
  3. Step 3: Cross multiply
    61,115.30x = 91,661.76 × 25,567.15
  4. Step 4: Simplify right side
    61,115.30x = 2,343,529,967.18
  5. Step 5: Solve for x
    x = 2,343,529,967.18/61,115.30
  6. Step 6: Final answer
    x = 38,346.04

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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.