Home / 68,023.84-93,872.40-38,215.84

Finding the Fourth Proportional to 68,023.84, 93,872.40 and 38,215.84

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Solution

The fourth proportional to 68,023.84, 93,872.40 and 38,215.84 is: 52,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,023.84 : 93,872.40 = 38,215.84 : x
  2. Step 2: Convert to fraction form
    68,023.84/93,872.40 = 38,215.84/x
  3. Step 3: Cross multiply
    68,023.84x = 93,872.40 × 38,215.84
  4. Step 4: Simplify right side
    68,023.84x = 3,587,412,618.82
  5. Step 5: Solve for x
    x = 3,587,412,618.82/68,023.84
  6. Step 6: Final answer
    x = 52,737.58

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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.