Home / 99,722.36-149,458.99-64,088.84

Finding the Fourth Proportional to 99,722.36, 149,458.99 and 64,088.84

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Solution

The fourth proportional to 99,722.36, 149,458.99 and 64,088.84 is: 96,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,722.36 : 149,458.99 = 64,088.84 : x
  2. Step 2: Convert to fraction form
    99,722.36/149,458.99 = 64,088.84/x
  3. Step 3: Cross multiply
    99,722.36x = 149,458.99 × 64,088.84
  4. Step 4: Simplify right side
    99,722.36x = 9,578,652,949.63
  5. Step 5: Solve for x
    x = 9,578,652,949.63/99,722.36
  6. Step 6: Final answer
    x = 96,053.21

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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.