Home / 98,048.46-135,306-55,607.30

Finding the Fourth Proportional to 98,048.46, 135,306 and 55,607.30

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Solution

The fourth proportional to 98,048.46, 135,306 and 55,607.30 is: 76,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,048.46 : 135,306 = 55,607.30 : x
  2. Step 2: Convert to fraction form
    98,048.46/135,306 = 55,607.30/x
  3. Step 3: Cross multiply
    98,048.46x = 135,306 × 55,607.30
  4. Step 4: Simplify right side
    98,048.46x = 7,524,000,657.27
  5. Step 5: Solve for x
    x = 7,524,000,657.27/98,048.46
  6. Step 6: Final answer
    x = 76,737.57

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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.