Home / 63,419.18-87,518.25-36,561.56

Finding the Fourth Proportional to 63,419.18, 87,518.25 and 36,561.56

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Solution

The fourth proportional to 63,419.18, 87,518.25 and 36,561.56 is: 50,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.18 : 87,518.25 = 36,561.56 : x
  2. Step 2: Convert to fraction form
    63,419.18/87,518.25 = 36,561.56/x
  3. Step 3: Cross multiply
    63,419.18x = 87,518.25 × 36,561.56
  4. Step 4: Simplify right side
    63,419.18x = 3,199,803,748.47
  5. Step 5: Solve for x
    x = 3,199,803,748.47/63,419.18
  6. Step 6: Final answer
    x = 50,454.83

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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.