Home / 123,834.55-170,893.67-70,118.13

Finding the Fourth Proportional to 123,834.55, 170,893.67 and 70,118.13

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Solution

The fourth proportional to 123,834.55, 170,893.67 and 70,118.13 is: 96,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,834.55 : 170,893.67 = 70,118.13 : x
  2. Step 2: Convert to fraction form
    123,834.55/170,893.67 = 70,118.13/x
  3. Step 3: Cross multiply
    123,834.55x = 170,893.67 × 70,118.13
  4. Step 4: Simplify right side
    123,834.55x = 11,982,744,569.24
  5. Step 5: Solve for x
    x = 11,982,744,569.24/123,834.55
  6. Step 6: Final answer
    x = 96,764.15

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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.