Home / 82,881.19-124,322.66-66,346.33

Finding the Fourth Proportional to 82,881.19, 124,322.66 and 66,346.33

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Solution

The fourth proportional to 82,881.19, 124,322.66 and 66,346.33 is: 99,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881.19 : 124,322.66 = 66,346.33 : x
  2. Step 2: Convert to fraction form
    82,881.19/124,322.66 = 66,346.33/x
  3. Step 3: Cross multiply
    82,881.19x = 124,322.66 × 66,346.33
  4. Step 4: Simplify right side
    82,881.19x = 8,248,352,439.40
  5. Step 5: Solve for x
    x = 8,248,352,439.40/82,881.19
  6. Step 6: Final answer
    x = 99,520.20

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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.