Home / 66,726.18-92,073.05-39,863.00

Finding the Fourth Proportional to 66,726.18, 92,073.05 and 39,863.00

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Solution

The fourth proportional to 66,726.18, 92,073.05 and 39,863.00 is: 55,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.18 : 92,073.05 = 39,863.00 : x
  2. Step 2: Convert to fraction form
    66,726.18/92,073.05 = 39,863.00/x
  3. Step 3: Cross multiply
    66,726.18x = 92,073.05 × 39,863.00
  4. Step 4: Simplify right side
    66,726.18x = 3,670,307,531.78
  5. Step 5: Solve for x
    x = 3,670,307,531.78/66,726.18
  6. Step 6: Final answer
    x = 55,005.51

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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.