Home / 74,059.20-111,088.72-24,139.28

Finding the Fourth Proportional to 74,059.20, 111,088.72 and 24,139.28

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Solution

The fourth proportional to 74,059.20, 111,088.72 and 24,139.28 is: 36,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.20 : 111,088.72 = 24,139.28 : x
  2. Step 2: Convert to fraction form
    74,059.20/111,088.72 = 24,139.28/x
  3. Step 3: Cross multiply
    74,059.20x = 111,088.72 × 24,139.28
  4. Step 4: Simplify right side
    74,059.20x = 2,681,601,716.92
  5. Step 5: Solve for x
    x = 2,681,601,716.92/74,059.20
  6. Step 6: Final answer
    x = 36,208.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.