Home / 99,409.48-149,109.36-37,075.12

Finding the Fourth Proportional to 99,409.48, 149,109.36 and 37,075.12

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Solution

The fourth proportional to 99,409.48, 149,109.36 and 37,075.12 is: 55,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,409.48 : 149,109.36 = 37,075.12 : x
  2. Step 2: Convert to fraction form
    99,409.48/149,109.36 = 37,075.12/x
  3. Step 3: Cross multiply
    99,409.48x = 149,109.36 × 37,075.12
  4. Step 4: Simplify right side
    99,409.48x = 5,528,247,415.12
  5. Step 5: Solve for x
    x = 5,528,247,415.12/99,409.48
  6. Step 6: Final answer
    x = 55,610.87

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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.