Home / 66,936.31-92,374.98-40,073.62

Finding the Fourth Proportional to 66,936.31, 92,374.98 and 40,073.62

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Solution

The fourth proportional to 66,936.31, 92,374.98 and 40,073.62 is: 55,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.31 : 92,374.98 = 40,073.62 : x
  2. Step 2: Convert to fraction form
    66,936.31/92,374.98 = 40,073.62/x
  3. Step 3: Cross multiply
    66,936.31x = 92,374.98 × 40,073.62
  4. Step 4: Simplify right side
    66,936.31x = 3,701,799,846.03
  5. Step 5: Solve for x
    x = 3,701,799,846.03/66,936.31
  6. Step 6: Final answer
    x = 55,303.32

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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.