Home / 92,549.74-138,807.08-45,117.22

Finding the Fourth Proportional to 92,549.74, 138,807.08 and 45,117.22

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Solution

The fourth proportional to 92,549.74, 138,807.08 and 45,117.22 is: 67,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,549.74 : 138,807.08 = 45,117.22 : x
  2. Step 2: Convert to fraction form
    92,549.74/138,807.08 = 45,117.22/x
  3. Step 3: Cross multiply
    92,549.74x = 138,807.08 × 45,117.22
  4. Step 4: Simplify right side
    92,549.74x = 6,262,589,565.92
  5. Step 5: Solve for x
    x = 6,262,589,565.92/92,549.74
  6. Step 6: Final answer
    x = 67,667.28

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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.