Home / 98,685.14-136,175.45-58,391.01

Finding the Fourth Proportional to 98,685.14, 136,175.45 and 58,391.01

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Solution

The fourth proportional to 98,685.14, 136,175.45 and 58,391.01 is: 80,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685.14 : 136,175.45 = 58,391.01 : x
  2. Step 2: Convert to fraction form
    98,685.14/136,175.45 = 58,391.01/x
  3. Step 3: Cross multiply
    98,685.14x = 136,175.45 × 58,391.01
  4. Step 4: Simplify right side
    98,685.14x = 7,951,421,770.75
  5. Step 5: Solve for x
    x = 7,951,421,770.75/98,685.14
  6. Step 6: Final answer
    x = 80,573.65

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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.