Home / 48,831.12-67,382.28-38,783.88

Finding the Fourth Proportional to 48,831.12, 67,382.28 and 38,783.88

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Solution

The fourth proportional to 48,831.12, 67,382.28 and 38,783.88 is: 53,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.12 : 67,382.28 = 38,783.88 : x
  2. Step 2: Convert to fraction form
    48,831.12/67,382.28 = 38,783.88/x
  3. Step 3: Cross multiply
    48,831.12x = 67,382.28 × 38,783.88
  4. Step 4: Simplify right side
    48,831.12x = 2,613,346,261.65
  5. Step 5: Solve for x
    x = 2,613,346,261.65/48,831.12
  6. Step 6: Final answer
    x = 53,518.05

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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.