Home / 74,169.52-102,353.28-40,177.24

Finding the Fourth Proportional to 74,169.52, 102,353.28 and 40,177.24

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Solution

The fourth proportional to 74,169.52, 102,353.28 and 40,177.24 is: 55,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.52 : 102,353.28 = 40,177.24 : x
  2. Step 2: Convert to fraction form
    74,169.52/102,353.28 = 40,177.24/x
  3. Step 3: Cross multiply
    74,169.52x = 102,353.28 × 40,177.24
  4. Step 4: Simplify right side
    74,169.52x = 4,112,272,295.35
  5. Step 5: Solve for x
    x = 4,112,272,295.35/74,169.52
  6. Step 6: Final answer
    x = 55,444.23

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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.