Home / 98,919.04-136,555.58-56,469.37

Finding the Fourth Proportional to 98,919.04, 136,555.58 and 56,469.37

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Solution

The fourth proportional to 98,919.04, 136,555.58 and 56,469.37 is: 77,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.04 : 136,555.58 = 56,469.37 : x
  2. Step 2: Convert to fraction form
    98,919.04/136,555.58 = 56,469.37/x
  3. Step 3: Cross multiply
    98,919.04x = 136,555.58 × 56,469.37
  4. Step 4: Simplify right side
    98,919.04x = 7,711,206,607.46
  5. Step 5: Solve for x
    x = 7,711,206,607.46/98,919.04
  6. Step 6: Final answer
    x = 77,954.73

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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.