Home / 61,215.16-91,848.87-25,685.29

Finding the Fourth Proportional to 61,215.16, 91,848.87 and 25,685.29

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Solution

The fourth proportional to 61,215.16, 91,848.87 and 25,685.29 is: 38,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.16 : 91,848.87 = 25,685.29 : x
  2. Step 2: Convert to fraction form
    61,215.16/91,848.87 = 25,685.29/x
  3. Step 3: Cross multiply
    61,215.16x = 91,848.87 × 25,685.29
  4. Step 4: Simplify right side
    61,215.16x = 2,359,164,956.13
  5. Step 5: Solve for x
    x = 2,359,164,956.13/61,215.16
  6. Step 6: Final answer
    x = 38,538.90

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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.