Home / 112,964.19-169,437.06-38,082.72

Finding the Fourth Proportional to 112,964.19, 169,437.06 and 38,082.72

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Solution

The fourth proportional to 112,964.19, 169,437.06 and 38,082.72 is: 57,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,964.19 : 169,437.06 = 38,082.72 : x
  2. Step 2: Convert to fraction form
    112,964.19/169,437.06 = 38,082.72/x
  3. Step 3: Cross multiply
    112,964.19x = 169,437.06 × 38,082.72
  4. Step 4: Simplify right side
    112,964.19x = 6,452,624,113.60
  5. Step 5: Solve for x
    x = 6,452,624,113.60/112,964.19
  6. Step 6: Final answer
    x = 57,120.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.