Home / 112,031.31-154,601.38-61,044.65

Finding the Fourth Proportional to 112,031.31, 154,601.38 and 61,044.65

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Solution

The fourth proportional to 112,031.31, 154,601.38 and 61,044.65 is: 84,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.31 : 154,601.38 = 61,044.65 : x
  2. Step 2: Convert to fraction form
    112,031.31/154,601.38 = 61,044.65/x
  3. Step 3: Cross multiply
    112,031.31x = 154,601.38 × 61,044.65
  4. Step 4: Simplify right side
    112,031.31x = 9,437,586,592.50
  5. Step 5: Solve for x
    x = 9,437,586,592.50/112,031.31
  6. Step 6: Final answer
    x = 84,240.61

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1.5x scale

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.