Home / 89,559.32-123,587.34-53,742.20

Finding the Fourth Proportional to 89,559.32, 123,587.34 and 53,742.20

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Solution

The fourth proportional to 89,559.32, 123,587.34 and 53,742.20 is: 74,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,559.32 : 123,587.34 = 53,742.20 : x
  2. Step 2: Convert to fraction form
    89,559.32/123,587.34 = 53,742.20/x
  3. Step 3: Cross multiply
    89,559.32x = 123,587.34 × 53,742.20
  4. Step 4: Simplify right side
    89,559.32x = 6,641,855,543.75
  5. Step 5: Solve for x
    x = 6,641,855,543.75/89,559.32
  6. Step 6: Final answer
    x = 74,161.52

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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.