Home / 85,854.02-118,474.43-47,610.57

Finding the Fourth Proportional to 85,854.02, 118,474.43 and 47,610.57

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Solution

The fourth proportional to 85,854.02, 118,474.43 and 47,610.57 is: 65,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,854.02 : 118,474.43 = 47,610.57 : x
  2. Step 2: Convert to fraction form
    85,854.02/118,474.43 = 47,610.57/x
  3. Step 3: Cross multiply
    85,854.02x = 118,474.43 × 47,610.57
  4. Step 4: Simplify right side
    85,854.02x = 5,640,635,142.73
  5. Step 5: Solve for x
    x = 5,640,635,142.73/85,854.02
  6. Step 6: Final answer
    x = 65,700.30

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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.