Home / 71,623.10-98,842.64-39,359.08

Finding the Fourth Proportional to 71,623.10, 98,842.64 and 39,359.08

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Solution

The fourth proportional to 71,623.10, 98,842.64 and 39,359.08 is: 54,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,623.10 : 98,842.64 = 39,359.08 : x
  2. Step 2: Convert to fraction form
    71,623.10/98,842.64 = 39,359.08/x
  3. Step 3: Cross multiply
    71,623.10x = 98,842.64 × 39,359.08
  4. Step 4: Simplify right side
    71,623.10x = 3,890,355,301.93
  5. Step 5: Solve for x
    x = 3,890,355,301.93/71,623.10
  6. Step 6: Final answer
    x = 54,317.05

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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.