Home / 91,864.32-137,668.02-49,653.33

Finding the Fourth Proportional to 91,864.32, 137,668.02 and 49,653.33

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Solution

The fourth proportional to 91,864.32, 137,668.02 and 49,653.33 is: 74,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.32 : 137,668.02 = 49,653.33 : x
  2. Step 2: Convert to fraction form
    91,864.32/137,668.02 = 49,653.33/x
  3. Step 3: Cross multiply
    91,864.32x = 137,668.02 × 49,653.33
  4. Step 4: Simplify right side
    91,864.32x = 6,835,675,627.51
  5. Step 5: Solve for x
    x = 6,835,675,627.51/91,864.32
  6. Step 6: Final answer
    x = 74,410.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.