Home / 91,329.75-137,035.67-58,041.18

Finding the Fourth Proportional to 91,329.75, 137,035.67 and 58,041.18

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Solution

The fourth proportional to 91,329.75, 137,035.67 and 58,041.18 is: 87,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.75 : 137,035.67 = 58,041.18 : x
  2. Step 2: Convert to fraction form
    91,329.75/137,035.67 = 58,041.18/x
  3. Step 3: Cross multiply
    91,329.75x = 137,035.67 × 58,041.18
  4. Step 4: Simplify right side
    91,329.75x = 7,953,711,698.68
  5. Step 5: Solve for x
    x = 7,953,711,698.68/91,329.75
  6. Step 6: Final answer
    x = 87,087.85

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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.