Home / 91,561.68-137,096.44-58,100.58

Finding the Fourth Proportional to 91,561.68, 137,096.44 and 58,100.58

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Solution

The fourth proportional to 91,561.68, 137,096.44 and 58,100.58 is: 86,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,561.68 : 137,096.44 = 58,100.58 : x
  2. Step 2: Convert to fraction form
    91,561.68/137,096.44 = 58,100.58/x
  3. Step 3: Cross multiply
    91,561.68x = 137,096.44 × 58,100.58
  4. Step 4: Simplify right side
    91,561.68x = 7,965,382,534.68
  5. Step 5: Solve for x
    x = 7,965,382,534.68/91,561.68
  6. Step 6: Final answer
    x = 86,994.72

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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.