Home / 77,050.20-115,575.30-24,463.80

Finding the Fourth Proportional to 77,050.20, 115,575.30 and 24,463.80

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Solution

The fourth proportional to 77,050.20, 115,575.30 and 24,463.80 is: 36,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,050.20 : 115,575.30 = 24,463.80 : x
  2. Step 2: Convert to fraction form
    77,050.20/115,575.30 = 24,463.80/x
  3. Step 3: Cross multiply
    77,050.20x = 115,575.30 × 24,463.80
  4. Step 4: Simplify right side
    77,050.20x = 2,827,411,024.14
  5. Step 5: Solve for x
    x = 2,827,411,024.14/77,050.20
  6. Step 6: Final answer
    x = 36,695.70

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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.