Home / 66,745.28-92,095.68-38,064.40

Finding the Fourth Proportional to 66,745.28, 92,095.68 and 38,064.40

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Solution

The fourth proportional to 66,745.28, 92,095.68 and 38,064.40 is: 52,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745.28 : 92,095.68 = 38,064.40 : x
  2. Step 2: Convert to fraction form
    66,745.28/92,095.68 = 38,064.40/x
  3. Step 3: Cross multiply
    66,745.28x = 92,095.68 × 38,064.40
  4. Step 4: Simplify right side
    66,745.28x = 3,505,566,801.79
  5. Step 5: Solve for x
    x = 3,505,566,801.79/66,745.28
  6. Step 6: Final answer
    x = 52,521.57

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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.