Home / 84,438.06-126,616.16-34,498.32

Finding the Fourth Proportional to 84,438.06, 126,616.16 and 34,498.32

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Solution

The fourth proportional to 84,438.06, 126,616.16 and 34,498.32 is: 51,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,438.06 : 126,616.16 = 34,498.32 : x
  2. Step 2: Convert to fraction form
    84,438.06/126,616.16 = 34,498.32/x
  3. Step 3: Cross multiply
    84,438.06x = 126,616.16 × 34,498.32
  4. Step 4: Simplify right side
    84,438.06x = 4,368,044,804.85
  5. Step 5: Solve for x
    x = 4,368,044,804.85/84,438.06
  6. Step 6: Final answer
    x = 51,730.76

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1.5x scale

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.