Home / 91,748.70-137,661.93-35,628.66

Finding the Fourth Proportional to 91,748.70, 137,661.93 and 35,628.66

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Solution

The fourth proportional to 91,748.70, 137,661.93 and 35,628.66 is: 53,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,748.70 : 137,661.93 = 35,628.66 : x
  2. Step 2: Convert to fraction form
    91,748.70/137,661.93 = 35,628.66/x
  3. Step 3: Cross multiply
    91,748.70x = 137,661.93 × 35,628.66
  4. Step 4: Simplify right side
    91,748.70x = 4,904,710,098.91
  5. Step 5: Solve for x
    x = 4,904,710,098.91/91,748.70
  6. Step 6: Final answer
    x = 53,458.09

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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.