Home / 86,155.36-118,899.84-48,432.04

Finding the Fourth Proportional to 86,155.36, 118,899.84 and 48,432.04

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Solution

The fourth proportional to 86,155.36, 118,899.84 and 48,432.04 is: 66,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,155.36 : 118,899.84 = 48,432.04 : x
  2. Step 2: Convert to fraction form
    86,155.36/118,899.84 = 48,432.04/x
  3. Step 3: Cross multiply
    86,155.36x = 118,899.84 × 48,432.04
  4. Step 4: Simplify right side
    86,155.36x = 5,758,561,806.87
  5. Step 5: Solve for x
    x = 5,758,561,806.87/86,155.36
  6. Step 6: Final answer
    x = 66,839.28

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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.