Home / 84,230.50-126,303.45-28,050.76

Finding the Fourth Proportional to 84,230.50, 126,303.45 and 28,050.76

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Solution

The fourth proportional to 84,230.50, 126,303.45 and 28,050.76 is: 42,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230.50 : 126,303.45 = 28,050.76 : x
  2. Step 2: Convert to fraction form
    84,230.50/126,303.45 = 28,050.76/x
  3. Step 3: Cross multiply
    84,230.50x = 126,303.45 × 28,050.76
  4. Step 4: Simplify right side
    84,230.50x = 3,542,907,763.12
  5. Step 5: Solve for x
    x = 3,542,907,763.12/84,230.50
  6. Step 6: Final answer
    x = 42,062.05

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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.