Home / 68,482.12-94,532.52-42,981.64

Finding the Fourth Proportional to 68,482.12, 94,532.52 and 42,981.64

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Solution

The fourth proportional to 68,482.12, 94,532.52 and 42,981.64 is: 59,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,482.12 : 94,532.52 = 42,981.64 : x
  2. Step 2: Convert to fraction form
    68,482.12/94,532.52 = 42,981.64/x
  3. Step 3: Cross multiply
    68,482.12x = 94,532.52 × 42,981.64
  4. Step 4: Simplify right side
    68,482.12x = 4,063,162,742.93
  5. Step 5: Solve for x
    x = 4,063,162,742.93/68,482.12
  6. Step 6: Final answer
    x = 59,331.73

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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.