Home / 112,095.96-154,694.14-61,108.72

Finding the Fourth Proportional to 112,095.96, 154,694.14 and 61,108.72

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Solution

The fourth proportional to 112,095.96, 154,694.14 and 61,108.72 is: 84,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,095.96 : 154,694.14 = 61,108.72 : x
  2. Step 2: Convert to fraction form
    112,095.96/154,694.14 = 61,108.72/x
  3. Step 3: Cross multiply
    112,095.96x = 154,694.14 × 61,108.72
  4. Step 4: Simplify right side
    112,095.96x = 9,453,160,886.90
  5. Step 5: Solve for x
    x = 9,453,160,886.90/112,095.96
  6. Step 6: Final answer
    x = 84,330.97

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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.