Home / 49,488.48-74,154.86-38,271.28

Finding the Fourth Proportional to 49,488.48, 74,154.86 and 38,271.28

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Solution

The fourth proportional to 49,488.48, 74,154.86 and 38,271.28 is: 57,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,488.48 : 74,154.86 = 38,271.28 : x
  2. Step 2: Convert to fraction form
    49,488.48/74,154.86 = 38,271.28/x
  3. Step 3: Cross multiply
    49,488.48x = 74,154.86 × 38,271.28
  4. Step 4: Simplify right side
    49,488.48x = 2,838,001,410.42
  5. Step 5: Solve for x
    x = 2,838,001,410.42/49,488.48
  6. Step 6: Final answer
    x = 57,346.71

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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.