Home / 112,031.40-154,597.50-69,589.08

Finding the Fourth Proportional to 112,031.40, 154,597.50 and 69,589.08

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Solution

The fourth proportional to 112,031.40, 154,597.50 and 69,589.08 is: 96,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.40 : 154,597.50 = 69,589.08 : x
  2. Step 2: Convert to fraction form
    112,031.40/154,597.50 = 69,589.08/x
  3. Step 3: Cross multiply
    112,031.40x = 154,597.50 × 69,589.08
  4. Step 4: Simplify right side
    112,031.40x = 10,758,297,795.30
  5. Step 5: Solve for x
    x = 10,758,297,795.30/112,031.40
  6. Step 6: Final answer
    x = 96,029.31

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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.