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Finding the Fourth Proportional to 66,484.59, 99,726.88 and 40,133.67

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Solution

The fourth proportional to 66,484.59, 99,726.88 and 40,133.67 is: 60,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.59 : 99,726.88 = 40,133.67 : x
  2. Step 2: Convert to fraction form
    66,484.59/99,726.88 = 40,133.67/x
  3. Step 3: Cross multiply
    66,484.59x = 99,726.88 × 40,133.67
  4. Step 4: Simplify right side
    66,484.59x = 4,002,405,692.05
  5. Step 5: Solve for x
    x = 4,002,405,692.05/66,484.59
  6. Step 6: Final answer
    x = 60,200.50

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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.