Home / 66,726.93-92,031.15-42,855.82

Finding the Fourth Proportional to 66,726.93, 92,031.15 and 42,855.82

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Solution

The fourth proportional to 66,726.93, 92,031.15 and 42,855.82 is: 59,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.93 : 92,031.15 = 42,855.82 : x
  2. Step 2: Convert to fraction form
    66,726.93/92,031.15 = 42,855.82/x
  3. Step 3: Cross multiply
    66,726.93x = 92,031.15 × 42,855.82
  4. Step 4: Simplify right side
    66,726.93x = 3,944,070,398.79
  5. Step 5: Solve for x
    x = 3,944,070,398.79/66,726.93
  6. Step 6: Final answer
    x = 59,107.63

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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.