Home / 112,164-154,789.56-61,866.24

Finding the Fourth Proportional to 112,164, 154,789.56 and 61,866.24

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Solution

The fourth proportional to 112,164, 154,789.56 and 61,866.24 is: 85,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164 : 154,789.56 = 61,866.24 : x
  2. Step 2: Convert to fraction form
    112,164/154,789.56 = 61,866.24/x
  3. Step 3: Cross multiply
    112,164x = 154,789.56 × 61,866.24
  4. Step 4: Simplify right side
    112,164x = 9,576,248,068.45
  5. Step 5: Solve for x
    x = 9,576,248,068.45/112,164
  6. Step 6: Final answer
    x = 85,377.20

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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.