Home / 75,148.56-103,562.28-53,890.92

Finding the Fourth Proportional to 75,148.56, 103,562.28 and 53,890.92

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Solution

The fourth proportional to 75,148.56, 103,562.28 and 53,890.92 is: 74,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.56 : 103,562.28 = 53,890.92 : x
  2. Step 2: Convert to fraction form
    75,148.56/103,562.28 = 53,890.92/x
  3. Step 3: Cross multiply
    75,148.56x = 103,562.28 × 53,890.92
  4. Step 4: Simplify right side
    75,148.56x = 5,581,066,546.50
  5. Step 5: Solve for x
    x = 5,581,066,546.50/75,148.56
  6. Step 6: Final answer
    x = 74,267.11

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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.