Home / 113,605.83-170,440.31-49,569.57

Finding the Fourth Proportional to 113,605.83, 170,440.31 and 49,569.57

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Solution

The fourth proportional to 113,605.83, 170,440.31 and 49,569.57 is: 74,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.83 : 170,440.31 = 49,569.57 : x
  2. Step 2: Convert to fraction form
    113,605.83/170,440.31 = 49,569.57/x
  3. Step 3: Cross multiply
    113,605.83x = 170,440.31 × 49,569.57
  4. Step 4: Simplify right side
    113,605.83x = 8,448,653,001.29
  5. Step 5: Solve for x
    x = 8,448,653,001.29/113,605.83
  6. Step 6: Final answer
    x = 74,368.13

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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.