Home / 54,753.12-75,481.74-38,831.76

Finding the Fourth Proportional to 54,753.12, 75,481.74 and 38,831.76

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Solution

The fourth proportional to 54,753.12, 75,481.74 and 38,831.76 is: 53,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.12 : 75,481.74 = 38,831.76 : x
  2. Step 2: Convert to fraction form
    54,753.12/75,481.74 = 38,831.76/x
  3. Step 3: Cross multiply
    54,753.12x = 75,481.74 × 38,831.76
  4. Step 4: Simplify right side
    54,753.12x = 2,931,088,812.06
  5. Step 5: Solve for x
    x = 2,931,088,812.06/54,753.12
  6. Step 6: Final answer
    x = 53,532.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.