Home / 54,167.13-74,746.80-49,705.65

Finding the Fourth Proportional to 54,167.13, 74,746.80 and 49,705.65

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Solution

The fourth proportional to 54,167.13, 74,746.80 and 49,705.65 is: 68,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167.13 : 74,746.80 = 49,705.65 : x
  2. Step 2: Convert to fraction form
    54,167.13/74,746.80 = 49,705.65/x
  3. Step 3: Cross multiply
    54,167.13x = 74,746.80 × 49,705.65
  4. Step 4: Simplify right side
    54,167.13x = 3,715,338,279.42
  5. Step 5: Solve for x
    x = 3,715,338,279.42/54,167.13
  6. Step 6: Final answer
    x = 68,590.27

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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.