Home / 105,082.22-157,578.69-38,494.70

Finding the Fourth Proportional to 105,082.22, 157,578.69 and 38,494.70

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Solution

The fourth proportional to 105,082.22, 157,578.69 and 38,494.70 is: 57,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,082.22 : 157,578.69 = 38,494.70 : x
  2. Step 2: Convert to fraction form
    105,082.22/157,578.69 = 38,494.70/x
  3. Step 3: Cross multiply
    105,082.22x = 157,578.69 × 38,494.70
  4. Step 4: Simplify right side
    105,082.22x = 6,065,944,397.94
  5. Step 5: Solve for x
    x = 6,065,944,397.94/105,082.22
  6. Step 6: Final answer
    x = 57,725.70

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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.