Home / 112,953.96-155,877.62-61,966.76

Finding the Fourth Proportional to 112,953.96, 155,877.62 and 61,966.76

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Solution

The fourth proportional to 112,953.96, 155,877.62 and 61,966.76 is: 85,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,953.96 : 155,877.62 = 61,966.76 : x
  2. Step 2: Convert to fraction form
    112,953.96/155,877.62 = 61,966.76/x
  3. Step 3: Cross multiply
    112,953.96x = 155,877.62 × 61,966.76
  4. Step 4: Simplify right side
    112,953.96x = 9,659,229,978.69
  5. Step 5: Solve for x
    x = 9,659,229,978.69/112,953.96
  6. Step 6: Final answer
    x = 85,514.75

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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.