Home / 54,857.13-75,702.40-29,706.63

Finding the Fourth Proportional to 54,857.13, 75,702.40 and 29,706.63

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Solution

The fourth proportional to 54,857.13, 75,702.40 and 29,706.63 is: 40,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.13 : 75,702.40 = 29,706.63 : x
  2. Step 2: Convert to fraction form
    54,857.13/75,702.40 = 29,706.63/x
  3. Step 3: Cross multiply
    54,857.13x = 75,702.40 × 29,706.63
  4. Step 4: Simplify right side
    54,857.13x = 2,248,863,112.65
  5. Step 5: Solve for x
    x = 2,248,863,112.65/54,857.13
  6. Step 6: Final answer
    x = 40,994.91

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1.5x scale

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.