Home / 84,415.11-126,575.91-34,530.23

Finding the Fourth Proportional to 84,415.11, 126,575.91 and 34,530.23

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Solution

The fourth proportional to 84,415.11, 126,575.91 and 34,530.23 is: 51,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,415.11 : 126,575.91 = 34,530.23 : x
  2. Step 2: Convert to fraction form
    84,415.11/126,575.91 = 34,530.23/x
  3. Step 3: Cross multiply
    84,415.11x = 126,575.91 × 34,530.23
  4. Step 4: Simplify right side
    84,415.11x = 4,370,695,284.76
  5. Step 5: Solve for x
    x = 4,370,695,284.76/84,415.11
  6. Step 6: Final answer
    x = 51,776.22

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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.