Home / 66,932.34-92,359.89-38,647.14

Finding the Fourth Proportional to 66,932.34, 92,359.89 and 38,647.14

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Solution

The fourth proportional to 66,932.34, 92,359.89 and 38,647.14 is: 53,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,932.34 : 92,359.89 = 38,647.14 : x
  2. Step 2: Convert to fraction form
    66,932.34/92,359.89 = 38,647.14/x
  3. Step 3: Cross multiply
    66,932.34x = 92,359.89 × 38,647.14
  4. Step 4: Simplify right side
    66,932.34x = 3,569,445,599.21
  5. Step 5: Solve for x
    x = 3,569,445,599.21/66,932.34
  6. Step 6: Final answer
    x = 53,329.16

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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.