Home / 47,342.13-70,988.31-14,057.61

Finding the Fourth Proportional to 47,342.13, 70,988.31 and 14,057.61

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Solution

The fourth proportional to 47,342.13, 70,988.31 and 14,057.61 is: 21,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.13 : 70,988.31 = 14,057.61 : x
  2. Step 2: Convert to fraction form
    47,342.13/70,988.31 = 14,057.61/x
  3. Step 3: Cross multiply
    47,342.13x = 70,988.31 × 14,057.61
  4. Step 4: Simplify right side
    47,342.13x = 997,925,976.54
  5. Step 5: Solve for x
    x = 997,925,976.54/47,342.13
  6. Step 6: Final answer
    x = 21,079.03

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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.