Home / 85,515.32-118,010.34-47,275.85

Finding the Fourth Proportional to 85,515.32, 118,010.34 and 47,275.85

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Solution

The fourth proportional to 85,515.32, 118,010.34 and 47,275.85 is: 65,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,515.32 : 118,010.34 = 47,275.85 : x
  2. Step 2: Convert to fraction form
    85,515.32/118,010.34 = 47,275.85/x
  3. Step 3: Cross multiply
    85,515.32x = 118,010.34 × 47,275.85
  4. Step 4: Simplify right side
    85,515.32x = 5,579,039,132.29
  5. Step 5: Solve for x
    x = 5,579,039,132.29/85,515.32
  6. Step 6: Final answer
    x = 65,240.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.