Home / 66,484.15-92,136.26-65,222.52

Finding the Fourth Proportional to 66,484.15, 92,136.26 and 65,222.52

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Solution

The fourth proportional to 66,484.15, 92,136.26 and 65,222.52 is: 90,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.15 : 92,136.26 = 65,222.52 : x
  2. Step 2: Convert to fraction form
    66,484.15/92,136.26 = 65,222.52/x
  3. Step 3: Cross multiply
    66,484.15x = 92,136.26 × 65,222.52
  4. Step 4: Simplify right side
    66,484.15x = 6,009,359,060.58
  5. Step 5: Solve for x
    x = 6,009,359,060.58/66,484.15
  6. Step 6: Final answer
    x = 90,387.85

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.