Home / 53,655.18-74,041.22-29,781.66

Finding the Fourth Proportional to 53,655.18, 74,041.22 and 29,781.66

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Solution

The fourth proportional to 53,655.18, 74,041.22 and 29,781.66 is: 41,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.18 : 74,041.22 = 29,781.66 : x
  2. Step 2: Convert to fraction form
    53,655.18/74,041.22 = 29,781.66/x
  3. Step 3: Cross multiply
    53,655.18x = 74,041.22 × 29,781.66
  4. Step 4: Simplify right side
    53,655.18x = 2,205,070,440.03
  5. Step 5: Solve for x
    x = 2,205,070,440.03/53,655.18
  6. Step 6: Final answer
    x = 41,097.07

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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.