Home / 53,987.45-74,502.18-29,788.64

Finding the Fourth Proportional to 53,987.45, 74,502.18 and 29,788.64

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Solution

The fourth proportional to 53,987.45, 74,502.18 and 29,788.64 is: 41,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.45 : 74,502.18 = 29,788.64 : x
  2. Step 2: Convert to fraction form
    53,987.45/74,502.18 = 29,788.64/x
  3. Step 3: Cross multiply
    53,987.45x = 74,502.18 × 29,788.64
  4. Step 4: Simplify right side
    53,987.45x = 2,219,318,097.78
  5. Step 5: Solve for x
    x = 2,219,318,097.78/53,987.45
  6. Step 6: Final answer
    x = 41,108.04

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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.