Home / 48,501.48-72,753.12-15,220.80

Finding the Fourth Proportional to 48,501.48, 72,753.12 and 15,220.80

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Solution

The fourth proportional to 48,501.48, 72,753.12 and 15,220.80 is: 22,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.48 : 72,753.12 = 15,220.80 : x
  2. Step 2: Convert to fraction form
    48,501.48/72,753.12 = 15,220.80/x
  3. Step 3: Cross multiply
    48,501.48x = 72,753.12 × 15,220.80
  4. Step 4: Simplify right side
    48,501.48x = 1,107,360,688.90
  5. Step 5: Solve for x
    x = 1,107,360,688.90/48,501.48
  6. Step 6: Final answer
    x = 22,831.48

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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.