Home / 91,384.26-137,074.95-29,053.86

Finding the Fourth Proportional to 91,384.26, 137,074.95 and 29,053.86

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Solution

The fourth proportional to 91,384.26, 137,074.95 and 29,053.86 is: 43,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,384.26 : 137,074.95 = 29,053.86 : x
  2. Step 2: Convert to fraction form
    91,384.26/137,074.95 = 29,053.86/x
  3. Step 3: Cross multiply
    91,384.26x = 137,074.95 × 29,053.86
  4. Step 4: Simplify right side
    91,384.26x = 3,982,556,406.81
  5. Step 5: Solve for x
    x = 3,982,556,406.81/91,384.26
  6. Step 6: Final answer
    x = 43,580.33

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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.