Home / 90,877.51-136,318.08-24,317.53

Finding the Fourth Proportional to 90,877.51, 136,318.08 and 24,317.53

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Solution

The fourth proportional to 90,877.51, 136,318.08 and 24,317.53 is: 36,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,877.51 : 136,318.08 = 24,317.53 : x
  2. Step 2: Convert to fraction form
    90,877.51/136,318.08 = 24,317.53/x
  3. Step 3: Cross multiply
    90,877.51x = 136,318.08 × 24,317.53
  4. Step 4: Simplify right side
    90,877.51x = 3,314,918,659.15
  5. Step 5: Solve for x
    x = 3,314,918,659.15/90,877.51
  6. Step 6: Final answer
    x = 36,476.78

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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.