Home / 99,588.87-149,427.44-52,192.69

Finding the Fourth Proportional to 99,588.87, 149,427.44 and 52,192.69

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Solution

The fourth proportional to 99,588.87, 149,427.44 and 52,192.69 is: 78,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.87 : 149,427.44 = 52,192.69 : x
  2. Step 2: Convert to fraction form
    99,588.87/149,427.44 = 52,192.69/x
  3. Step 3: Cross multiply
    99,588.87x = 149,427.44 × 52,192.69
  4. Step 4: Simplify right side
    99,588.87x = 7,799,019,614.60
  5. Step 5: Solve for x
    x = 7,799,019,614.60/99,588.87
  6. Step 6: Final answer
    x = 78,312.16

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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.