Home / 66,938.31-92,369.03-38,252.30

Finding the Fourth Proportional to 66,938.31, 92,369.03 and 38,252.30

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Solution

The fourth proportional to 66,938.31, 92,369.03 and 38,252.30 is: 52,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,938.31 : 92,369.03 = 38,252.30 : x
  2. Step 2: Convert to fraction form
    66,938.31/92,369.03 = 38,252.30/x
  3. Step 3: Cross multiply
    66,938.31x = 92,369.03 × 38,252.30
  4. Step 4: Simplify right side
    66,938.31x = 3,533,327,193.16
  5. Step 5: Solve for x
    x = 3,533,327,193.16/66,938.31
  6. Step 6: Final answer
    x = 52,784.83

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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.