Home / 123,836.18-170,882.10-70,110.71

Finding the Fourth Proportional to 123,836.18, 170,882.10 and 70,110.71

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Solution

The fourth proportional to 123,836.18, 170,882.10 and 70,110.71 is: 96,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,836.18 : 170,882.10 = 70,110.71 : x
  2. Step 2: Convert to fraction form
    123,836.18/170,882.10 = 70,110.71/x
  3. Step 3: Cross multiply
    123,836.18x = 170,882.10 × 70,110.71
  4. Step 4: Simplify right side
    123,836.18x = 11,980,665,357.29
  5. Step 5: Solve for x
    x = 11,980,665,357.29/123,836.18
  6. Step 6: Final answer
    x = 96,746.08

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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.