Home / 86,564.12-119,464.50-48,331.19

Finding the Fourth Proportional to 86,564.12, 119,464.50 and 48,331.19

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Solution

The fourth proportional to 86,564.12, 119,464.50 and 48,331.19 is: 66,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,564.12 : 119,464.50 = 48,331.19 : x
  2. Step 2: Convert to fraction form
    86,564.12/119,464.50 = 48,331.19/x
  3. Step 3: Cross multiply
    86,564.12x = 119,464.50 × 48,331.19
  4. Step 4: Simplify right side
    86,564.12x = 5,773,860,850.43
  5. Step 5: Solve for x
    x = 5,773,860,850.43/86,564.12
  6. Step 6: Final answer
    x = 66,700.40

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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.