Home / 53,853.65-74,316.33-29,979.12

Finding the Fourth Proportional to 53,853.65, 74,316.33 and 29,979.12

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Solution

The fourth proportional to 53,853.65, 74,316.33 and 29,979.12 is: 41,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.65 : 74,316.33 = 29,979.12 : x
  2. Step 2: Convert to fraction form
    53,853.65/74,316.33 = 29,979.12/x
  3. Step 3: Cross multiply
    53,853.65x = 74,316.33 × 29,979.12
  4. Step 4: Simplify right side
    53,853.65x = 2,227,938,175.03
  5. Step 5: Solve for x
    x = 2,227,938,175.03/53,853.65
  6. Step 6: Final answer
    x = 41,370.24

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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.