Home / 99,581.85-149,435.01-40,417.52

Finding the Fourth Proportional to 99,581.85, 149,435.01 and 40,417.52

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Solution

The fourth proportional to 99,581.85, 149,435.01 and 40,417.52 is: 60,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,581.85 : 149,435.01 = 40,417.52 : x
  2. Step 2: Convert to fraction form
    99,581.85/149,435.01 = 40,417.52/x
  3. Step 3: Cross multiply
    99,581.85x = 149,435.01 × 40,417.52
  4. Step 4: Simplify right side
    99,581.85x = 6,039,791,606.63
  5. Step 5: Solve for x
    x = 6,039,791,606.63/99,581.85
  6. Step 6: Final answer
    x = 60,651.53

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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.