Home / 92,331.85-127,449.30-57,433.81

Finding the Fourth Proportional to 92,331.85, 127,449.30 and 57,433.81

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Solution

The fourth proportional to 92,331.85, 127,449.30 and 57,433.81 is: 79,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,331.85 : 127,449.30 = 57,433.81 : x
  2. Step 2: Convert to fraction form
    92,331.85/127,449.30 = 57,433.81/x
  3. Step 3: Cross multiply
    92,331.85x = 127,449.30 × 57,433.81
  4. Step 4: Simplify right side
    92,331.85x = 7,319,898,880.83
  5. Step 5: Solve for x
    x = 7,319,898,880.83/92,331.85
  6. Step 6: Final answer
    x = 79,278.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.