Home / 112,031.12-154,596.84-61,726.16

Finding the Fourth Proportional to 112,031.12, 154,596.84 and 61,726.16

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Solution

The fourth proportional to 112,031.12, 154,596.84 and 61,726.16 is: 85,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.12 : 154,596.84 = 61,726.16 : x
  2. Step 2: Convert to fraction form
    112,031.12/154,596.84 = 61,726.16/x
  3. Step 3: Cross multiply
    112,031.12x = 154,596.84 × 61,726.16
  4. Step 4: Simplify right side
    112,031.12x = 9,542,669,281.33
  5. Step 5: Solve for x
    x = 9,542,669,281.33/112,031.12
  6. Step 6: Final answer
    x = 85,178.74

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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.