Home / 86,065.46-118,767.96-47,824.02

Finding the Fourth Proportional to 86,065.46, 118,767.96 and 47,824.02

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Solution

The fourth proportional to 86,065.46, 118,767.96 and 47,824.02 is: 65,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,065.46 : 118,767.96 = 47,824.02 : x
  2. Step 2: Convert to fraction form
    86,065.46/118,767.96 = 47,824.02/x
  3. Step 3: Cross multiply
    86,065.46x = 118,767.96 × 47,824.02
  4. Step 4: Simplify right side
    86,065.46x = 5,679,961,294.40
  5. Step 5: Solve for x
    x = 5,679,961,294.40/86,065.46
  6. Step 6: Final answer
    x = 65,995.83

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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.