Home / 92,062.98-137,981.25-47,664.36

Finding the Fourth Proportional to 92,062.98, 137,981.25 and 47,664.36

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Solution

The fourth proportional to 92,062.98, 137,981.25 and 47,664.36 is: 71,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,062.98 : 137,981.25 = 47,664.36 : x
  2. Step 2: Convert to fraction form
    92,062.98/137,981.25 = 47,664.36/x
  3. Step 3: Cross multiply
    92,062.98x = 137,981.25 × 47,664.36
  4. Step 4: Simplify right side
    92,062.98x = 6,576,787,973.25
  5. Step 5: Solve for x
    x = 6,576,787,973.25/92,062.98
  6. Step 6: Final answer
    x = 71,437.92

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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.