Home / 65,972.16-91,044.54-46,872.36

Finding the Fourth Proportional to 65,972.16, 91,044.54 and 46,872.36

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Solution

The fourth proportional to 65,972.16, 91,044.54 and 46,872.36 is: 64,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,972.16 : 91,044.54 = 46,872.36 : x
  2. Step 2: Convert to fraction form
    65,972.16/91,044.54 = 46,872.36/x
  3. Step 3: Cross multiply
    65,972.16x = 91,044.54 × 46,872.36
  4. Step 4: Simplify right side
    65,972.16x = 4,267,472,454.91
  5. Step 5: Solve for x
    x = 4,267,472,454.91/65,972.16
  6. Step 6: Final answer
    x = 64,685.96

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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.