Home / 112,016.66-154,581.56-61,031.51

Finding the Fourth Proportional to 112,016.66, 154,581.56 and 61,031.51

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Solution

The fourth proportional to 112,016.66, 154,581.56 and 61,031.51 is: 84,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.66 : 154,581.56 = 61,031.51 : x
  2. Step 2: Convert to fraction form
    112,016.66/154,581.56 = 61,031.51/x
  3. Step 3: Cross multiply
    112,016.66x = 154,581.56 × 61,031.51
  4. Step 4: Simplify right side
    112,016.66x = 9,434,346,098.74
  5. Step 5: Solve for x
    x = 9,434,346,098.74/112,016.66
  6. Step 6: Final answer
    x = 84,222.71

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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.