Home / 48,709.90-73,077.54-15,430.42

Finding the Fourth Proportional to 48,709.90, 73,077.54 and 15,430.42

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Solution

The fourth proportional to 48,709.90, 73,077.54 and 15,430.42 is: 23,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.90 : 73,077.54 = 15,430.42 : x
  2. Step 2: Convert to fraction form
    48,709.90/73,077.54 = 15,430.42/x
  3. Step 3: Cross multiply
    48,709.90x = 73,077.54 × 15,430.42
  4. Step 4: Simplify right side
    48,709.90x = 1,127,617,134.77
  5. Step 5: Solve for x
    x = 1,127,617,134.77/48,709.90
  6. Step 6: Final answer
    x = 23,149.65

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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.