Home / 98,855.84-136,421.44-53,533.85

Finding the Fourth Proportional to 98,855.84, 136,421.44 and 53,533.85

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Solution

The fourth proportional to 98,855.84, 136,421.44 and 53,533.85 is: 73,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,855.84 : 136,421.44 = 53,533.85 : x
  2. Step 2: Convert to fraction form
    98,855.84/136,421.44 = 53,533.85/x
  3. Step 3: Cross multiply
    98,855.84x = 136,421.44 × 53,533.85
  4. Step 4: Simplify right side
    98,855.84x = 7,303,164,089.80
  5. Step 5: Solve for x
    x = 7,303,164,089.80/98,855.84
  6. Step 6: Final answer
    x = 73,876.91

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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.