Home / 83,135.91-114,727.65-47,325.88

Finding the Fourth Proportional to 83,135.91, 114,727.65 and 47,325.88

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Solution

The fourth proportional to 83,135.91, 114,727.65 and 47,325.88 is: 65,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.91 : 114,727.65 = 47,325.88 : x
  2. Step 2: Convert to fraction form
    83,135.91/114,727.65 = 47,325.88/x
  3. Step 3: Cross multiply
    83,135.91x = 114,727.65 × 47,325.88
  4. Step 4: Simplify right side
    83,135.91x = 5,429,586,996.58
  5. Step 5: Solve for x
    x = 5,429,586,996.58/83,135.91
  6. Step 6: Final answer
    x = 65,309.77

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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.