Home / 39,781.95-59,671.53-10,200.03

Finding the Fourth Proportional to 39,781.95, 59,671.53 and 10,200.03

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Solution

The fourth proportional to 39,781.95, 59,671.53 and 10,200.03 is: 15,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.95 : 59,671.53 = 10,200.03 : x
  2. Step 2: Convert to fraction form
    39,781.95/59,671.53 = 10,200.03/x
  3. Step 3: Cross multiply
    39,781.95x = 59,671.53 × 10,200.03
  4. Step 4: Simplify right side
    39,781.95x = 608,651,396.15
  5. Step 5: Solve for x
    x = 608,651,396.15/39,781.95
  6. Step 6: Final answer
    x = 15,299.69

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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.