Home / 83,447.12-125,155.71-23,461.20

Finding the Fourth Proportional to 83,447.12, 125,155.71 and 23,461.20

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Solution

The fourth proportional to 83,447.12, 125,155.71 and 23,461.20 is: 35,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,447.12 : 125,155.71 = 23,461.20 : x
  2. Step 2: Convert to fraction form
    83,447.12/125,155.71 = 23,461.20/x
  3. Step 3: Cross multiply
    83,447.12x = 125,155.71 × 23,461.20
  4. Step 4: Simplify right side
    83,447.12x = 2,936,303,700.77
  5. Step 5: Solve for x
    x = 2,936,303,700.77/83,447.12
  6. Step 6: Final answer
    x = 35,187.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.