Home / 98,521.88-135,960.35-56,080.41

Finding the Fourth Proportional to 98,521.88, 135,960.35 and 56,080.41

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Solution

The fourth proportional to 98,521.88, 135,960.35 and 56,080.41 is: 77,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.88 : 135,960.35 = 56,080.41 : x
  2. Step 2: Convert to fraction form
    98,521.88/135,960.35 = 56,080.41/x
  3. Step 3: Cross multiply
    98,521.88x = 135,960.35 × 56,080.41
  4. Step 4: Simplify right side
    98,521.88x = 7,624,711,891.34
  5. Step 5: Solve for x
    x = 7,624,711,891.34/98,521.88
  6. Step 6: Final answer
    x = 77,391.06

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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.