Home / 77,111.10-115,666.65-24,525.90

Finding the Fourth Proportional to 77,111.10, 115,666.65 and 24,525.90

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Solution

The fourth proportional to 77,111.10, 115,666.65 and 24,525.90 is: 36,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,111.10 : 115,666.65 = 24,525.90 : x
  2. Step 2: Convert to fraction form
    77,111.10/115,666.65 = 24,525.90/x
  3. Step 3: Cross multiply
    77,111.10x = 115,666.65 × 24,525.90
  4. Step 4: Simplify right side
    77,111.10x = 2,836,828,691.24
  5. Step 5: Solve for x
    x = 2,836,828,691.24/77,111.10
  6. Step 6: Final answer
    x = 36,788.85

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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.