Home / 48,135.69-66,428.15-26,917.29

Finding the Fourth Proportional to 48,135.69, 66,428.15 and 26,917.29

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Solution

The fourth proportional to 48,135.69, 66,428.15 and 26,917.29 is: 37,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.69 : 66,428.15 = 26,917.29 : x
  2. Step 2: Convert to fraction form
    48,135.69/66,428.15 = 26,917.29/x
  3. Step 3: Cross multiply
    48,135.69x = 66,428.15 × 26,917.29
  4. Step 4: Simplify right side
    48,135.69x = 1,788,065,643.13
  5. Step 5: Solve for x
    x = 1,788,065,643.13/48,135.69
  6. Step 6: Final answer
    x = 37,146.36

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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.