Home / 85,618.40-118,150.34-47,377.29

Finding the Fourth Proportional to 85,618.40, 118,150.34 and 47,377.29

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Solution

The fourth proportional to 85,618.40, 118,150.34 and 47,377.29 is: 65,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,618.40 : 118,150.34 = 47,377.29 : x
  2. Step 2: Convert to fraction form
    85,618.40/118,150.34 = 47,377.29/x
  3. Step 3: Cross multiply
    85,618.40x = 118,150.34 × 47,377.29
  4. Step 4: Simplify right side
    85,618.40x = 5,597,643,040.22
  5. Step 5: Solve for x
    x = 5,597,643,040.22/85,618.40
  6. Step 6: Final answer
    x = 65,378.97

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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.