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Finding the Fourth Proportional to 55,703.76, 83,531.04 and 26,097.72

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Solution

The fourth proportional to 55,703.76, 83,531.04 and 26,097.72 is: 39,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.76 : 83,531.04 = 26,097.72 : x
  2. Step 2: Convert to fraction form
    55,703.76/83,531.04 = 26,097.72/x
  3. Step 3: Cross multiply
    55,703.76x = 83,531.04 × 26,097.72
  4. Step 4: Simplify right side
    55,703.76x = 2,179,969,693.23
  5. Step 5: Solve for x
    x = 2,179,969,693.23/55,703.76
  6. Step 6: Final answer
    x = 39,135.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.