Home / 99,909.12-149,869.44-37,580.16

Finding the Fourth Proportional to 99,909.12, 149,869.44 and 37,580.16

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Solution

The fourth proportional to 99,909.12, 149,869.44 and 37,580.16 is: 56,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,909.12 : 149,869.44 = 37,580.16 : x
  2. Step 2: Convert to fraction form
    99,909.12/149,869.44 = 37,580.16/x
  3. Step 3: Cross multiply
    99,909.12x = 149,869.44 × 37,580.16
  4. Step 4: Simplify right side
    99,909.12x = 5,632,117,534.31
  5. Step 5: Solve for x
    x = 5,632,117,534.31/99,909.12
  6. Step 6: Final answer
    x = 56,372.41

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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.