Home / 66,158.90-99,366.01-56,692.69

Finding the Fourth Proportional to 66,158.90, 99,366.01 and 56,692.69

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Solution

The fourth proportional to 66,158.90, 99,366.01 and 56,692.69 is: 85,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.90 : 99,366.01 = 56,692.69 : x
  2. Step 2: Convert to fraction form
    66,158.90/99,366.01 = 56,692.69/x
  3. Step 3: Cross multiply
    66,158.90x = 99,366.01 × 56,692.69
  4. Step 4: Simplify right side
    66,158.90x = 5,633,326,401.47
  5. Step 5: Solve for x
    x = 5,633,326,401.47/66,158.90
  6. Step 6: Final answer
    x = 85,148.43

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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.