Home / 101,511.48-152,281.84-31,396.26

Finding the Fourth Proportional to 101,511.48, 152,281.84 and 31,396.26

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Solution

The fourth proportional to 101,511.48, 152,281.84 and 31,396.26 is: 47,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,511.48 : 152,281.84 = 31,396.26 : x
  2. Step 2: Convert to fraction form
    101,511.48/152,281.84 = 31,396.26/x
  3. Step 3: Cross multiply
    101,511.48x = 152,281.84 × 31,396.26
  4. Step 4: Simplify right side
    101,511.48x = 4,781,080,241.92
  5. Step 5: Solve for x
    x = 4,781,080,241.92/101,511.48
  6. Step 6: Final answer
    x = 47,098.91

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1.5x scale

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.