Home / 48,501.16-72,751.20-13,439.52

Finding the Fourth Proportional to 48,501.16, 72,751.20 and 13,439.52

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Solution

The fourth proportional to 48,501.16, 72,751.20 and 13,439.52 is: 20,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.16 : 72,751.20 = 13,439.52 : x
  2. Step 2: Convert to fraction form
    48,501.16/72,751.20 = 13,439.52/x
  3. Step 3: Cross multiply
    48,501.16x = 72,751.20 × 13,439.52
  4. Step 4: Simplify right side
    48,501.16x = 977,741,207.42
  5. Step 5: Solve for x
    x = 977,741,207.42/48,501.16
  6. Step 6: Final answer
    x = 20,159.13

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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.