Home / 69,669.86-96,146.66-39,454.53

Finding the Fourth Proportional to 69,669.86, 96,146.66 and 39,454.53

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Solution

The fourth proportional to 69,669.86, 96,146.66 and 39,454.53 is: 54,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669.86 : 96,146.66 = 39,454.53 : x
  2. Step 2: Convert to fraction form
    69,669.86/96,146.66 = 39,454.53/x
  3. Step 3: Cross multiply
    69,669.86x = 96,146.66 × 39,454.53
  4. Step 4: Simplify right side
    69,669.86x = 3,793,421,019.46
  5. Step 5: Solve for x
    x = 3,793,421,019.46/69,669.86
  6. Step 6: Final answer
    x = 54,448.53

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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.