Home / 112,031.18-154,596.03-61,730.18

Finding the Fourth Proportional to 112,031.18, 154,596.03 and 61,730.18

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Solution

The fourth proportional to 112,031.18, 154,596.03 and 61,730.18 is: 85,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.18 : 154,596.03 = 61,730.18 : x
  2. Step 2: Convert to fraction form
    112,031.18/154,596.03 = 61,730.18/x
  3. Step 3: Cross multiply
    112,031.18x = 154,596.03 × 61,730.18
  4. Step 4: Simplify right side
    112,031.18x = 9,543,240,759.19
  5. Step 5: Solve for x
    x = 9,543,240,759.19/112,031.18
  6. Step 6: Final answer
    x = 85,183.79

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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.