Home / 85,976.01-118,648.08-47,217

Finding the Fourth Proportional to 85,976.01, 118,648.08 and 47,217

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Solution

The fourth proportional to 85,976.01, 118,648.08 and 47,217 is: 65,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,976.01 : 118,648.08 = 47,217 : x
  2. Step 2: Convert to fraction form
    85,976.01/118,648.08 = 47,217/x
  3. Step 3: Cross multiply
    85,976.01x = 118,648.08 × 47,217
  4. Step 4: Simplify right side
    85,976.01x = 5,602,206,393.36
  5. Step 5: Solve for x
    x = 5,602,206,393.36/85,976.01
  6. Step 6: Final answer
    x = 65,160.11

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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.