Home / 88,772.04-122,517.21-56,509.94

Finding the Fourth Proportional to 88,772.04, 122,517.21 and 56,509.94

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Solution

The fourth proportional to 88,772.04, 122,517.21 and 56,509.94 is: 77,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,772.04 : 122,517.21 = 56,509.94 : x
  2. Step 2: Convert to fraction form
    88,772.04/122,517.21 = 56,509.94/x
  3. Step 3: Cross multiply
    88,772.04x = 122,517.21 × 56,509.94
  4. Step 4: Simplify right side
    88,772.04x = 6,923,440,186.07
  5. Step 5: Solve for x
    x = 6,923,440,186.07/88,772.04
  6. Step 6: Final answer
    x = 77,991.23

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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.