Home / 86,056.10-118,757.04-47,821.88

Finding the Fourth Proportional to 86,056.10, 118,757.04 and 47,821.88

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Solution

The fourth proportional to 86,056.10, 118,757.04 and 47,821.88 is: 65,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.10 : 118,757.04 = 47,821.88 : x
  2. Step 2: Convert to fraction form
    86,056.10/118,757.04 = 47,821.88/x
  3. Step 3: Cross multiply
    86,056.10x = 118,757.04 × 47,821.88
  4. Step 4: Simplify right side
    86,056.10x = 5,679,184,916.04
  5. Step 5: Solve for x
    x = 5,679,184,916.04/86,056.10
  6. Step 6: Final answer
    x = 65,993.98

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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.