Home / 84,449.32-126,611.06-28,256.20

Finding the Fourth Proportional to 84,449.32, 126,611.06 and 28,256.20

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Solution

The fourth proportional to 84,449.32, 126,611.06 and 28,256.20 is: 42,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,449.32 : 126,611.06 = 28,256.20 : x
  2. Step 2: Convert to fraction form
    84,449.32/126,611.06 = 28,256.20/x
  3. Step 3: Cross multiply
    84,449.32x = 126,611.06 × 28,256.20
  4. Step 4: Simplify right side
    84,449.32x = 3,577,547,433.57
  5. Step 5: Solve for x
    x = 3,577,547,433.57/84,449.32
  6. Step 6: Final answer
    x = 42,363.25

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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.