Home / 75,358.12-104,005.02-45,144.72

Finding the Fourth Proportional to 75,358.12, 104,005.02 and 45,144.72

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Solution

The fourth proportional to 75,358.12, 104,005.02 and 45,144.72 is: 62,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,358.12 : 104,005.02 = 45,144.72 : x
  2. Step 2: Convert to fraction form
    75,358.12/104,005.02 = 45,144.72/x
  3. Step 3: Cross multiply
    75,358.12x = 104,005.02 × 45,144.72
  4. Step 4: Simplify right side
    75,358.12x = 4,695,277,506.49
  5. Step 5: Solve for x
    x = 4,695,277,506.49/75,358.12
  6. Step 6: Final answer
    x = 62,306.19

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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.