Home / 99,637.34-149,479.55-39,669.24

Finding the Fourth Proportional to 99,637.34, 149,479.55 and 39,669.24

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Solution

The fourth proportional to 99,637.34, 149,479.55 and 39,669.24 is: 59,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,637.34 : 149,479.55 = 39,669.24 : x
  2. Step 2: Convert to fraction form
    99,637.34/149,479.55 = 39,669.24/x
  3. Step 3: Cross multiply
    99,637.34x = 149,479.55 × 39,669.24
  4. Step 4: Simplify right side
    99,637.34x = 5,929,740,766.57
  5. Step 5: Solve for x
    x = 5,929,740,766.57/99,637.34
  6. Step 6: Final answer
    x = 59,513.24

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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.