Home / 76,918.59-106,152.99-42,933.69

Finding the Fourth Proportional to 76,918.59, 106,152.99 and 42,933.69

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Solution

The fourth proportional to 76,918.59, 106,152.99 and 42,933.69 is: 59,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,918.59 : 106,152.99 = 42,933.69 : x
  2. Step 2: Convert to fraction form
    76,918.59/106,152.99 = 42,933.69/x
  3. Step 3: Cross multiply
    76,918.59x = 106,152.99 × 42,933.69
  4. Step 4: Simplify right side
    76,918.59x = 4,557,539,565.23
  5. Step 5: Solve for x
    x = 4,557,539,565.23/76,918.59
  6. Step 6: Final answer
    x = 59,251.47

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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.