Home / 85,557.20-118,065.51-47,314.24

Finding the Fourth Proportional to 85,557.20, 118,065.51 and 47,314.24

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Solution

The fourth proportional to 85,557.20, 118,065.51 and 47,314.24 is: 65,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.20 : 118,065.51 = 47,314.24 : x
  2. Step 2: Convert to fraction form
    85,557.20/118,065.51 = 47,314.24/x
  3. Step 3: Cross multiply
    85,557.20x = 118,065.51 × 47,314.24
  4. Step 4: Simplify right side
    85,557.20x = 5,586,179,580.70
  5. Step 5: Solve for x
    x = 5,586,179,580.70/85,557.20
  6. Step 6: Final answer
    x = 65,291.76

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1.5x scale

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.