Home / 66,926.19-92,342.66-40,058.49

Finding the Fourth Proportional to 66,926.19, 92,342.66 and 40,058.49

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Solution

The fourth proportional to 66,926.19, 92,342.66 and 40,058.49 is: 55,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.19 : 92,342.66 = 40,058.49 : x
  2. Step 2: Convert to fraction form
    66,926.19/92,342.66 = 40,058.49/x
  3. Step 3: Cross multiply
    66,926.19x = 92,342.66 × 40,058.49
  4. Step 4: Simplify right side
    66,926.19x = 3,699,107,321.89
  5. Step 5: Solve for x
    x = 3,699,107,321.89/66,926.19
  6. Step 6: Final answer
    x = 55,271.45

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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.