Home / 58,742.62-88,123.11-19,290.76

Finding the Fourth Proportional to 58,742.62, 88,123.11 and 19,290.76

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Solution

The fourth proportional to 58,742.62, 88,123.11 and 19,290.76 is: 28,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.62 : 88,123.11 = 19,290.76 : x
  2. Step 2: Convert to fraction form
    58,742.62/88,123.11 = 19,290.76/x
  3. Step 3: Cross multiply
    58,742.62x = 88,123.11 × 19,290.76
  4. Step 4: Simplify right side
    58,742.62x = 1,699,961,765.46
  5. Step 5: Solve for x
    x = 1,699,961,765.46/58,742.62
  6. Step 6: Final answer
    x = 28,939.15

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1.5x scale

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.