Home / 85,276.53-117,677.25-47,543.49

Finding the Fourth Proportional to 85,276.53, 117,677.25 and 47,543.49

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Solution

The fourth proportional to 85,276.53, 117,677.25 and 47,543.49 is: 65,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,276.53 : 117,677.25 = 47,543.49 : x
  2. Step 2: Convert to fraction form
    85,276.53/117,677.25 = 47,543.49/x
  3. Step 3: Cross multiply
    85,276.53x = 117,677.25 × 47,543.49
  4. Step 4: Simplify right side
    85,276.53x = 5,594,787,158.60
  5. Step 5: Solve for x
    x = 5,594,787,158.60/85,276.53
  6. Step 6: Final answer
    x = 65,607.58

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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.