Home / 99,412.36-149,141.55-52,053.18

Finding the Fourth Proportional to 99,412.36, 149,141.55 and 52,053.18

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Solution

The fourth proportional to 99,412.36, 149,141.55 and 52,053.18 is: 78,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,412.36 : 149,141.55 = 52,053.18 : x
  2. Step 2: Convert to fraction form
    99,412.36/149,141.55 = 52,053.18/x
  3. Step 3: Cross multiply
    99,412.36x = 149,141.55 × 52,053.18
  4. Step 4: Simplify right side
    99,412.36x = 7,763,292,422.47
  5. Step 5: Solve for x
    x = 7,763,292,422.47/99,412.36
  6. Step 6: Final answer
    x = 78,091.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.