Home / 67,192.32-92,726.10-38,511.36

Finding the Fourth Proportional to 67,192.32, 92,726.10 and 38,511.36

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Solution

The fourth proportional to 67,192.32, 92,726.10 and 38,511.36 is: 53,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,192.32 : 92,726.10 = 38,511.36 : x
  2. Step 2: Convert to fraction form
    67,192.32/92,726.10 = 38,511.36/x
  3. Step 3: Cross multiply
    67,192.32x = 92,726.10 × 38,511.36
  4. Step 4: Simplify right side
    67,192.32x = 3,571,008,218.50
  5. Step 5: Solve for x
    x = 3,571,008,218.50/67,192.32
  6. Step 6: Final answer
    x = 53,146.08

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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.