Home / 89,248.08-123,290.52-71,319.60

Finding the Fourth Proportional to 89,248.08, 123,290.52 and 71,319.60

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Solution

The fourth proportional to 89,248.08, 123,290.52 and 71,319.60 is: 98,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,248.08 : 123,290.52 = 71,319.60 : x
  2. Step 2: Convert to fraction form
    89,248.08/123,290.52 = 71,319.60/x
  3. Step 3: Cross multiply
    89,248.08x = 123,290.52 × 71,319.60
  4. Step 4: Simplify right side
    89,248.08x = 8,793,030,570.19
  5. Step 5: Solve for x
    x = 8,793,030,570.19/89,248.08
  6. Step 6: Final answer
    x = 98,523.47

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1.5x scale

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.