Home / 112,265.16-154,921.80-61,963.08

Finding the Fourth Proportional to 112,265.16, 154,921.80 and 61,963.08

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Solution

The fourth proportional to 112,265.16, 154,921.80 and 61,963.08 is: 85,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,265.16 : 154,921.80 = 61,963.08 : x
  2. Step 2: Convert to fraction form
    112,265.16/154,921.80 = 61,963.08/x
  3. Step 3: Cross multiply
    112,265.16x = 154,921.80 × 61,963.08
  4. Step 4: Simplify right side
    112,265.16x = 9,599,431,887.14
  5. Step 5: Solve for x
    x = 9,599,431,887.14/112,265.16
  6. Step 6: Final answer
    x = 85,506.78

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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.