Home / 69,834.40-96,349.76-39,617.44

Finding the Fourth Proportional to 69,834.40, 96,349.76 and 39,617.44

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Solution

The fourth proportional to 69,834.40, 96,349.76 and 39,617.44 is: 54,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,834.40 : 96,349.76 = 39,617.44 : x
  2. Step 2: Convert to fraction form
    69,834.40/96,349.76 = 39,617.44/x
  3. Step 3: Cross multiply
    69,834.40x = 96,349.76 × 39,617.44
  4. Step 4: Simplify right side
    69,834.40x = 3,817,130,835.81
  5. Step 5: Solve for x
    x = 3,817,130,835.81/69,834.40
  6. Step 6: Final answer
    x = 54,659.75

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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.