Home / 112,065.06-154,648.81-61,077.79

Finding the Fourth Proportional to 112,065.06, 154,648.81 and 61,077.79

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Solution

The fourth proportional to 112,065.06, 154,648.81 and 61,077.79 is: 84,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.06 : 154,648.81 = 61,077.79 : x
  2. Step 2: Convert to fraction form
    112,065.06/154,648.81 = 61,077.79/x
  3. Step 3: Cross multiply
    112,065.06x = 154,648.81 × 61,077.79
  4. Step 4: Simplify right side
    112,065.06x = 9,445,607,540.93
  5. Step 5: Solve for x
    x = 9,445,607,540.93/112,065.06
  6. Step 6: Final answer
    x = 84,286.82

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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.