Home / 74,635.50-111,953.25-25,387.50

Finding the Fourth Proportional to 74,635.50, 111,953.25 and 25,387.50

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Solution

The fourth proportional to 74,635.50, 111,953.25 and 25,387.50 is: 38,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635.50 : 111,953.25 = 25,387.50 : x
  2. Step 2: Convert to fraction form
    74,635.50/111,953.25 = 25,387.50/x
  3. Step 3: Cross multiply
    74,635.50x = 111,953.25 × 25,387.50
  4. Step 4: Simplify right side
    74,635.50x = 2,842,213,134.38
  5. Step 5: Solve for x
    x = 2,842,213,134.38/74,635.50
  6. Step 6: Final answer
    x = 38,081.25

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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.