Home / 112,264.28-154,923.96-61,963.28

Finding the Fourth Proportional to 112,264.28, 154,923.96 and 61,963.28

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Solution

The fourth proportional to 112,264.28, 154,923.96 and 61,963.28 is: 85,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.28 : 154,923.96 = 61,963.28 : x
  2. Step 2: Convert to fraction form
    112,264.28/154,923.96 = 61,963.28/x
  3. Step 3: Cross multiply
    112,264.28x = 154,923.96 × 61,963.28
  4. Step 4: Simplify right side
    112,264.28x = 9,599,596,712.19
  5. Step 5: Solve for x
    x = 9,599,596,712.19/112,264.28
  6. Step 6: Final answer
    x = 85,508.91

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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.