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Finding the Fourth Proportional to 60,087.87, 90,000.45 and 30,454.83

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Solution

The fourth proportional to 60,087.87, 90,000.45 and 30,454.83 is: 45,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,087.87 : 90,000.45 = 30,454.83 : x
  2. Step 2: Convert to fraction form
    60,087.87/90,000.45 = 30,454.83/x
  3. Step 3: Cross multiply
    60,087.87x = 90,000.45 × 30,454.83
  4. Step 4: Simplify right side
    60,087.87x = 2,740,948,404.67
  5. Step 5: Solve for x
    x = 2,740,948,404.67/60,087.87
  6. Step 6: Final answer
    x = 45,615.67

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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.