Home / 85,990.20-118,659.69-47,746.14

Finding the Fourth Proportional to 85,990.20, 118,659.69 and 47,746.14

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Solution

The fourth proportional to 85,990.20, 118,659.69 and 47,746.14 is: 65,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,990.20 : 118,659.69 = 47,746.14 : x
  2. Step 2: Convert to fraction form
    85,990.20/118,659.69 = 47,746.14/x
  3. Step 3: Cross multiply
    85,990.20x = 118,659.69 × 47,746.14
  4. Step 4: Simplify right side
    85,990.20x = 5,665,542,171.10
  5. Step 5: Solve for x
    x = 5,665,542,171.10/85,990.20
  6. Step 6: Final answer
    x = 65,885.91

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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.