Home / 68,019.68-93,852.58-39,712.52

Finding the Fourth Proportional to 68,019.68, 93,852.58 and 39,712.52

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Solution

The fourth proportional to 68,019.68, 93,852.58 and 39,712.52 is: 54,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,019.68 : 93,852.58 = 39,712.52 : x
  2. Step 2: Convert to fraction form
    68,019.68/93,852.58 = 39,712.52/x
  3. Step 3: Cross multiply
    68,019.68x = 93,852.58 × 39,712.52
  4. Step 4: Simplify right side
    68,019.68x = 3,727,122,460.30
  5. Step 5: Solve for x
    x = 3,727,122,460.30/68,019.68
  6. Step 6: Final answer
    x = 54,794.77

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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.