Home / 69,788.08-96,309.70-39,574.64

Finding the Fourth Proportional to 69,788.08, 96,309.70 and 39,574.64

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Solution

The fourth proportional to 69,788.08, 96,309.70 and 39,574.64 is: 54,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.08 : 96,309.70 = 39,574.64 : x
  2. Step 2: Convert to fraction form
    69,788.08/96,309.70 = 39,574.64/x
  3. Step 3: Cross multiply
    69,788.08x = 96,309.70 × 39,574.64
  4. Step 4: Simplify right side
    69,788.08x = 3,811,421,706.01
  5. Step 5: Solve for x
    x = 3,811,421,706.01/69,788.08
  6. Step 6: Final answer
    x = 54,614.22

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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.