Home / 112,629.52-155,433.60-62,328.52

Finding the Fourth Proportional to 112,629.52, 155,433.60 and 62,328.52

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Solution

The fourth proportional to 112,629.52, 155,433.60 and 62,328.52 is: 86,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,629.52 : 155,433.60 = 62,328.52 : x
  2. Step 2: Convert to fraction form
    112,629.52/155,433.60 = 62,328.52/x
  3. Step 3: Cross multiply
    112,629.52x = 155,433.60 × 62,328.52
  4. Step 4: Simplify right side
    112,629.52x = 9,687,946,246.27
  5. Step 5: Solve for x
    x = 9,687,946,246.27/112,629.52
  6. Step 6: Final answer
    x = 86,016.05

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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.