Home / 48,310.65-72,456.75-15,031.13

Finding the Fourth Proportional to 48,310.65, 72,456.75 and 15,031.13

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Solution

The fourth proportional to 48,310.65, 72,456.75 and 15,031.13 is: 22,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,310.65 : 72,456.75 = 15,031.13 : x
  2. Step 2: Convert to fraction form
    48,310.65/72,456.75 = 15,031.13/x
  3. Step 3: Cross multiply
    48,310.65x = 72,456.75 × 15,031.13
  4. Step 4: Simplify right side
    48,310.65x = 1,089,106,828.63
  5. Step 5: Solve for x
    x = 1,089,106,828.63/48,310.65
  6. Step 6: Final answer
    x = 22,543.82

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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.