Home / 81,250.68-112,116.51-45,439.77

Finding the Fourth Proportional to 81,250.68, 112,116.51 and 45,439.77

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Solution

The fourth proportional to 81,250.68, 112,116.51 and 45,439.77 is: 62,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,250.68 : 112,116.51 = 45,439.77 : x
  2. Step 2: Convert to fraction form
    81,250.68/112,116.51 = 45,439.77/x
  3. Step 3: Cross multiply
    81,250.68x = 112,116.51 × 45,439.77
  4. Step 4: Simplify right side
    81,250.68x = 5,094,548,427.60
  5. Step 5: Solve for x
    x = 5,094,548,427.60/81,250.68
  6. Step 6: Final answer
    x = 62,701.61

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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.