Home / 66,926.44-92,343-40,058.74

Finding the Fourth Proportional to 66,926.44, 92,343 and 40,058.74

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Solution

The fourth proportional to 66,926.44, 92,343 and 40,058.74 is: 55,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.44 : 92,343 = 40,058.74 : x
  2. Step 2: Convert to fraction form
    66,926.44/92,343 = 40,058.74/x
  3. Step 3: Cross multiply
    66,926.44x = 92,343 × 40,058.74
  4. Step 4: Simplify right side
    66,926.44x = 3,699,144,227.82
  5. Step 5: Solve for x
    x = 3,699,144,227.82/66,926.44
  6. Step 6: Final answer
    x = 55,271.79

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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.