Home / 48,913.90-73,176.45-42,412.30

Finding the Fourth Proportional to 48,913.90, 73,176.45 and 42,412.30

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Solution

The fourth proportional to 48,913.90, 73,176.45 and 42,412.30 is: 63,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,913.90 : 73,176.45 = 42,412.30 : x
  2. Step 2: Convert to fraction form
    48,913.90/73,176.45 = 42,412.30/x
  3. Step 3: Cross multiply
    48,913.90x = 73,176.45 × 42,412.30
  4. Step 4: Simplify right side
    48,913.90x = 3,103,581,550.34
  5. Step 5: Solve for x
    x = 3,103,581,550.34/48,913.90
  6. Step 6: Final answer
    x = 63,449.89

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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.