Home / 74,174.16-102,306.12-54,037.20

Finding the Fourth Proportional to 74,174.16, 102,306.12 and 54,037.20

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Solution

The fourth proportional to 74,174.16, 102,306.12 and 54,037.20 is: 74,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,174.16 : 102,306.12 = 54,037.20 : x
  2. Step 2: Convert to fraction form
    74,174.16/102,306.12 = 54,037.20/x
  3. Step 3: Cross multiply
    74,174.16x = 102,306.12 × 54,037.20
  4. Step 4: Simplify right side
    74,174.16x = 5,528,336,267.66
  5. Step 5: Solve for x
    x = 5,528,336,267.66/74,174.16
  6. Step 6: Final answer
    x = 74,531.84

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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.