Home / 61,898.72-85,335.59-42,517.04

Finding the Fourth Proportional to 61,898.72, 85,335.59 and 42,517.04

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Solution

The fourth proportional to 61,898.72, 85,335.59 and 42,517.04 is: 58,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898.72 : 85,335.59 = 42,517.04 : x
  2. Step 2: Convert to fraction form
    61,898.72/85,335.59 = 42,517.04/x
  3. Step 3: Cross multiply
    61,898.72x = 85,335.59 × 42,517.04
  4. Step 4: Simplify right side
    61,898.72x = 3,628,216,373.07
  5. Step 5: Solve for x
    x = 3,628,216,373.07/61,898.72
  6. Step 6: Final answer
    x = 58,615.37

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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.