Home / 91,756.56-137,565.57-60,174.58

Finding the Fourth Proportional to 91,756.56, 137,565.57 and 60,174.58

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Solution

The fourth proportional to 91,756.56, 137,565.57 and 60,174.58 is: 90,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756.56 : 137,565.57 = 60,174.58 : x
  2. Step 2: Convert to fraction form
    91,756.56/137,565.57 = 60,174.58/x
  3. Step 3: Cross multiply
    91,756.56x = 137,565.57 × 60,174.58
  4. Step 4: Simplify right side
    91,756.56x = 8,277,949,408.51
  5. Step 5: Solve for x
    x = 8,277,949,408.51/91,756.56
  6. Step 6: Final answer
    x = 90,216.43

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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.