Home / 62,419.21-86,138.51-34,124.90

Finding the Fourth Proportional to 62,419.21, 86,138.51 and 34,124.90

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Solution

The fourth proportional to 62,419.21, 86,138.51 and 34,124.90 is: 47,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.21 : 86,138.51 = 34,124.90 : x
  2. Step 2: Convert to fraction form
    62,419.21/86,138.51 = 34,124.90/x
  3. Step 3: Cross multiply
    62,419.21x = 86,138.51 × 34,124.90
  4. Step 4: Simplify right side
    62,419.21x = 2,939,468,039.90
  5. Step 5: Solve for x
    x = 2,939,468,039.90/62,419.21
  6. Step 6: Final answer
    x = 47,092.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.