Home / 84,721.42-127,038.74-44,761.86

Finding the Fourth Proportional to 84,721.42, 127,038.74 and 44,761.86

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Solution

The fourth proportional to 84,721.42, 127,038.74 and 44,761.86 is: 67,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.42 : 127,038.74 = 44,761.86 : x
  2. Step 2: Convert to fraction form
    84,721.42/127,038.74 = 44,761.86/x
  3. Step 3: Cross multiply
    84,721.42x = 127,038.74 × 44,761.86
  4. Step 4: Simplify right side
    84,721.42x = 5,686,490,294.46
  5. Step 5: Solve for x
    x = 5,686,490,294.46/84,721.42
  6. Step 6: Final answer
    x = 67,119.87

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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.