Home / 70,259.20-96,957.72-38,431.04

Finding the Fourth Proportional to 70,259.20, 96,957.72 and 38,431.04

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Solution

The fourth proportional to 70,259.20, 96,957.72 and 38,431.04 is: 53,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,259.20 : 96,957.72 = 38,431.04 : x
  2. Step 2: Convert to fraction form
    70,259.20/96,957.72 = 38,431.04/x
  3. Step 3: Cross multiply
    70,259.20x = 96,957.72 × 38,431.04
  4. Step 4: Simplify right side
    70,259.20x = 3,726,186,015.63
  5. Step 5: Solve for x
    x = 3,726,186,015.63/70,259.20
  6. Step 6: Final answer
    x = 53,034.85

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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.