Home / 51,641.90-77,462.85-48,142.70

Finding the Fourth Proportional to 51,641.90, 77,462.85 and 48,142.70

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Solution

The fourth proportional to 51,641.90, 77,462.85 and 48,142.70 is: 72,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.90 : 77,462.85 = 48,142.70 : x
  2. Step 2: Convert to fraction form
    51,641.90/77,462.85 = 48,142.70/x
  3. Step 3: Cross multiply
    51,641.90x = 77,462.85 × 48,142.70
  4. Step 4: Simplify right side
    51,641.90x = 3,729,270,748.70
  5. Step 5: Solve for x
    x = 3,729,270,748.70/51,641.90
  6. Step 6: Final answer
    x = 72,214.05

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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.