Home / 63,919.40-88,368.20-47,976.17

Finding the Fourth Proportional to 63,919.40, 88,368.20 and 47,976.17

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Solution

The fourth proportional to 63,919.40, 88,368.20 and 47,976.17 is: 66,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.40 : 88,368.20 = 47,976.17 : x
  2. Step 2: Convert to fraction form
    63,919.40/88,368.20 = 47,976.17/x
  3. Step 3: Cross multiply
    63,919.40x = 88,368.20 × 47,976.17
  4. Step 4: Simplify right side
    63,919.40x = 4,239,567,104.07
  5. Step 5: Solve for x
    x = 4,239,567,104.07/63,919.40
  6. Step 6: Final answer
    x = 66,326.77

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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.