Home / 97,240.86-145,569.69-69,169.50

Finding the Fourth Proportional to 97,240.86, 145,569.69 and 69,169.50

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Solution

The fourth proportional to 97,240.86, 145,569.69 and 69,169.50 is: 103,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,240.86 : 145,569.69 = 69,169.50 : x
  2. Step 2: Convert to fraction form
    97,240.86/145,569.69 = 69,169.50/x
  3. Step 3: Cross multiply
    97,240.86x = 145,569.69 × 69,169.50
  4. Step 4: Simplify right side
    97,240.86x = 10,068,982,672.46
  5. Step 5: Solve for x
    x = 10,068,982,672.46/97,240.86
  6. Step 6: Final answer
    x = 103,546.83

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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.