Home / 68,018.06-93,910.66-60,825.60

Finding the Fourth Proportional to 68,018.06, 93,910.66 and 60,825.60

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Solution

The fourth proportional to 68,018.06, 93,910.66 and 60,825.60 is: 83,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.06 : 93,910.66 = 60,825.60 : x
  2. Step 2: Convert to fraction form
    68,018.06/93,910.66 = 60,825.60/x
  3. Step 3: Cross multiply
    68,018.06x = 93,910.66 × 60,825.60
  4. Step 4: Simplify right side
    68,018.06x = 5,712,172,088.83
  5. Step 5: Solve for x
    x = 5,712,172,088.83/68,018.06
  6. Step 6: Final answer
    x = 83,980.22

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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.