Home / 85,280.26-117,690.40-47,554.50

Finding the Fourth Proportional to 85,280.26, 117,690.40 and 47,554.50

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Solution

The fourth proportional to 85,280.26, 117,690.40 and 47,554.50 is: 65,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.26 : 117,690.40 = 47,554.50 : x
  2. Step 2: Convert to fraction form
    85,280.26/117,690.40 = 47,554.50/x
  3. Step 3: Cross multiply
    85,280.26x = 117,690.40 × 47,554.50
  4. Step 4: Simplify right side
    85,280.26x = 5,596,708,126.80
  5. Step 5: Solve for x
    x = 5,596,708,126.80/85,280.26
  6. Step 6: Final answer
    x = 65,627.24

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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.