Home / 75,123.91-103,741.23-48,312.97

Finding the Fourth Proportional to 75,123.91, 103,741.23 and 48,312.97

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Solution

The fourth proportional to 75,123.91, 103,741.23 and 48,312.97 is: 66,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.91 : 103,741.23 = 48,312.97 : x
  2. Step 2: Convert to fraction form
    75,123.91/103,741.23 = 48,312.97/x
  3. Step 3: Cross multiply
    75,123.91x = 103,741.23 × 48,312.97
  4. Step 4: Simplify right side
    75,123.91x = 5,012,046,932.75
  5. Step 5: Solve for x
    x = 5,012,046,932.75/75,123.91
  6. Step 6: Final answer
    x = 66,717.07

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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.