Home / 82,117.05-113,313.04-60,618.22

Finding the Fourth Proportional to 82,117.05, 113,313.04 and 60,618.22

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Solution

The fourth proportional to 82,117.05, 113,313.04 and 60,618.22 is: 83,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,117.05 : 113,313.04 = 60,618.22 : x
  2. Step 2: Convert to fraction form
    82,117.05/113,313.04 = 60,618.22/x
  3. Step 3: Cross multiply
    82,117.05x = 113,313.04 × 60,618.22
  4. Step 4: Simplify right side
    82,117.05x = 6,868,834,787.59
  5. Step 5: Solve for x
    x = 6,868,834,787.59/82,117.05
  6. Step 6: Final answer
    x = 83,646.88

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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.