Home / 85,627.04-118,170.78-47,901.56

Finding the Fourth Proportional to 85,627.04, 118,170.78 and 47,901.56

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Solution

The fourth proportional to 85,627.04, 118,170.78 and 47,901.56 is: 66,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,627.04 : 118,170.78 = 47,901.56 : x
  2. Step 2: Convert to fraction form
    85,627.04/118,170.78 = 47,901.56/x
  3. Step 3: Cross multiply
    85,627.04x = 118,170.78 × 47,901.56
  4. Step 4: Simplify right side
    85,627.04x = 5,660,564,708.42
  5. Step 5: Solve for x
    x = 5,660,564,708.42/85,627.04
  6. Step 6: Final answer
    x = 66,107.21

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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.