Home / 75,146.71-103,652.59-48,323.16

Finding the Fourth Proportional to 75,146.71, 103,652.59 and 48,323.16

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Solution

The fourth proportional to 75,146.71, 103,652.59 and 48,323.16 is: 66,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.71 : 103,652.59 = 48,323.16 : x
  2. Step 2: Convert to fraction form
    75,146.71/103,652.59 = 48,323.16/x
  3. Step 3: Cross multiply
    75,146.71x = 103,652.59 × 48,323.16
  4. Step 4: Simplify right side
    75,146.71x = 5,008,820,233.35
  5. Step 5: Solve for x
    x = 5,008,820,233.35/75,146.71
  6. Step 6: Final answer
    x = 66,653.88

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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.