Home / 66,390.19-99,614.73-34,792.74

Finding the Fourth Proportional to 66,390.19, 99,614.73 and 34,792.74

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Solution

The fourth proportional to 66,390.19, 99,614.73 and 34,792.74 is: 52,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,390.19 : 99,614.73 = 34,792.74 : x
  2. Step 2: Convert to fraction form
    66,390.19/99,614.73 = 34,792.74/x
  3. Step 3: Cross multiply
    66,390.19x = 99,614.73 × 34,792.74
  4. Step 4: Simplify right side
    66,390.19x = 3,465,869,774.62
  5. Step 5: Solve for x
    x = 3,465,869,774.62/66,390.19
  6. Step 6: Final answer
    x = 52,204.55

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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.