Home / 91,630.23-137,448.98-43,587.30

Finding the Fourth Proportional to 91,630.23, 137,448.98 and 43,587.30

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Solution

The fourth proportional to 91,630.23, 137,448.98 and 43,587.30 is: 65,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,630.23 : 137,448.98 = 43,587.30 : x
  2. Step 2: Convert to fraction form
    91,630.23/137,448.98 = 43,587.30/x
  3. Step 3: Cross multiply
    91,630.23x = 137,448.98 × 43,587.30
  4. Step 4: Simplify right side
    91,630.23x = 5,991,029,925.95
  5. Step 5: Solve for x
    x = 5,991,029,925.95/91,630.23
  6. Step 6: Final answer
    x = 65,382.68

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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.