Home / 83,999.20-125,739.60-48,834.40

Finding the Fourth Proportional to 83,999.20, 125,739.60 and 48,834.40

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Solution

The fourth proportional to 83,999.20, 125,739.60 and 48,834.40 is: 73,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.20 : 125,739.60 = 48,834.40 : x
  2. Step 2: Convert to fraction form
    83,999.20/125,739.60 = 48,834.40/x
  3. Step 3: Cross multiply
    83,999.20x = 125,739.60 × 48,834.40
  4. Step 4: Simplify right side
    83,999.20x = 6,140,417,922.24
  5. Step 5: Solve for x
    x = 6,140,417,922.24/83,999.20
  6. Step 6: Final answer
    x = 73,100.91

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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.