Home / 76,862.72-115,291.20-24,275.36

Finding the Fourth Proportional to 76,862.72, 115,291.20 and 24,275.36

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Solution

The fourth proportional to 76,862.72, 115,291.20 and 24,275.36 is: 36,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,862.72 : 115,291.20 = 24,275.36 : x
  2. Step 2: Convert to fraction form
    76,862.72/115,291.20 = 24,275.36/x
  3. Step 3: Cross multiply
    76,862.72x = 115,291.20 × 24,275.36
  4. Step 4: Simplify right side
    76,862.72x = 2,798,735,384.83
  5. Step 5: Solve for x
    x = 2,798,735,384.83/76,862.72
  6. Step 6: Final answer
    x = 36,412.13

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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.