Home / 93,781.24-129,418.10-51,339.77

Finding the Fourth Proportional to 93,781.24, 129,418.10 and 51,339.77

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Solution

The fourth proportional to 93,781.24, 129,418.10 and 51,339.77 is: 70,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,781.24 : 129,418.10 = 51,339.77 : x
  2. Step 2: Convert to fraction form
    93,781.24/129,418.10 = 51,339.77/x
  3. Step 3: Cross multiply
    93,781.24x = 129,418.10 × 51,339.77
  4. Step 4: Simplify right side
    93,781.24x = 6,644,296,278.65
  5. Step 5: Solve for x
    x = 6,644,296,278.65/93,781.24
  6. Step 6: Final answer
    x = 70,848.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.