Home / 112,281.19-154,948.32-61,293.95

Finding the Fourth Proportional to 112,281.19, 154,948.32 and 61,293.95

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Solution

The fourth proportional to 112,281.19, 154,948.32 and 61,293.95 is: 84,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,281.19 : 154,948.32 = 61,293.95 : x
  2. Step 2: Convert to fraction form
    112,281.19/154,948.32 = 61,293.95/x
  3. Step 3: Cross multiply
    112,281.19x = 154,948.32 × 61,293.95
  4. Step 4: Simplify right side
    112,281.19x = 9,497,394,659.57
  5. Step 5: Solve for x
    x = 9,497,394,659.57/112,281.19
  6. Step 6: Final answer
    x = 84,585.81

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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.