Home / 95,458.47-143,205.27-31,420.21

Finding the Fourth Proportional to 95,458.47, 143,205.27 and 31,420.21

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Solution

The fourth proportional to 95,458.47, 143,205.27 and 31,420.21 is: 47,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,458.47 : 143,205.27 = 31,420.21 : x
  2. Step 2: Convert to fraction form
    95,458.47/143,205.27 = 31,420.21/x
  3. Step 3: Cross multiply
    95,458.47x = 143,205.27 × 31,420.21
  4. Step 4: Simplify right side
    95,458.47x = 4,499,539,416.32
  5. Step 5: Solve for x
    x = 4,499,539,416.32/95,458.47
  6. Step 6: Final answer
    x = 47,136.09

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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.