Home / 85,519.20-118,016.67-47,793.45

Finding the Fourth Proportional to 85,519.20, 118,016.67 and 47,793.45

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Solution

The fourth proportional to 85,519.20, 118,016.67 and 47,793.45 is: 65,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519.20 : 118,016.67 = 47,793.45 : x
  2. Step 2: Convert to fraction form
    85,519.20/118,016.67 = 47,793.45/x
  3. Step 3: Cross multiply
    85,519.20x = 118,016.67 × 47,793.45
  4. Step 4: Simplify right side
    85,519.20x = 5,640,423,816.81
  5. Step 5: Solve for x
    x = 5,640,423,816.81/85,519.20
  6. Step 6: Final answer
    x = 65,955.06

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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.