Home / 66,779.72-92,155.14-38,098.63

Finding the Fourth Proportional to 66,779.72, 92,155.14 and 38,098.63

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Solution

The fourth proportional to 66,779.72, 92,155.14 and 38,098.63 is: 52,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,779.72 : 92,155.14 = 38,098.63 : x
  2. Step 2: Convert to fraction form
    66,779.72/92,155.14 = 38,098.63/x
  3. Step 3: Cross multiply
    66,779.72x = 92,155.14 × 38,098.63
  4. Step 4: Simplify right side
    66,779.72x = 3,510,984,351.07
  5. Step 5: Solve for x
    x = 3,510,984,351.07/66,779.72
  6. Step 6: Final answer
    x = 52,575.61

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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.