Home / 85,741.28-118,316.40-48,010.40

Finding the Fourth Proportional to 85,741.28, 118,316.40 and 48,010.40

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Solution

The fourth proportional to 85,741.28, 118,316.40 and 48,010.40 is: 66,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.28 : 118,316.40 = 48,010.40 : x
  2. Step 2: Convert to fraction form
    85,741.28/118,316.40 = 48,010.40/x
  3. Step 3: Cross multiply
    85,741.28x = 118,316.40 × 48,010.40
  4. Step 4: Simplify right side
    85,741.28x = 5,680,417,690.56
  5. Step 5: Solve for x
    x = 5,680,417,690.56/85,741.28
  6. Step 6: Final answer
    x = 66,250.68

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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.