Home / 112,177.63-154,816.06-61,876.63

Finding the Fourth Proportional to 112,177.63, 154,816.06 and 61,876.63

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Solution

The fourth proportional to 112,177.63, 154,816.06 and 61,876.63 is: 85,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,177.63 : 154,816.06 = 61,876.63 : x
  2. Step 2: Convert to fraction form
    112,177.63/154,816.06 = 61,876.63/x
  3. Step 3: Cross multiply
    112,177.63x = 154,816.06 × 61,876.63
  4. Step 4: Simplify right side
    112,177.63x = 9,579,495,288.60
  5. Step 5: Solve for x
    x = 9,579,495,288.60/112,177.63
  6. Step 6: Final answer
    x = 85,395.78

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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.