Home / 112,010.34-154,574.24-61,709.34

Finding the Fourth Proportional to 112,010.34, 154,574.24 and 61,709.34

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Solution

The fourth proportional to 112,010.34, 154,574.24 and 61,709.34 is: 85,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.34 : 154,574.24 = 61,709.34 : x
  2. Step 2: Convert to fraction form
    112,010.34/154,574.24 = 61,709.34/x
  3. Step 3: Cross multiply
    112,010.34x = 154,574.24 × 61,709.34
  4. Step 4: Simplify right side
    112,010.34x = 9,538,674,022.85
  5. Step 5: Solve for x
    x = 9,538,674,022.85/112,010.34
  6. Step 6: Final answer
    x = 85,158.87

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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.