Home / 67,583.42-101,368.65-20,823.74

Finding the Fourth Proportional to 67,583.42, 101,368.65 and 20,823.74

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Solution

The fourth proportional to 67,583.42, 101,368.65 and 20,823.74 is: 31,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,583.42 : 101,368.65 = 20,823.74 : x
  2. Step 2: Convert to fraction form
    67,583.42/101,368.65 = 20,823.74/x
  3. Step 3: Cross multiply
    67,583.42x = 101,368.65 × 20,823.74
  4. Step 4: Simplify right side
    67,583.42x = 2,110,874,411.75
  5. Step 5: Solve for x
    x = 2,110,874,411.75/67,583.42
  6. Step 6: Final answer
    x = 31,233.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.