Home / 45,148.06-67,447.53-29,223.36

Finding the Fourth Proportional to 45,148.06, 67,447.53 and 29,223.36

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Solution

The fourth proportional to 45,148.06, 67,447.53 and 29,223.36 is: 43,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,148.06 : 67,447.53 = 29,223.36 : x
  2. Step 2: Convert to fraction form
    45,148.06/67,447.53 = 29,223.36/x
  3. Step 3: Cross multiply
    45,148.06x = 67,447.53 × 29,223.36
  4. Step 4: Simplify right side
    45,148.06x = 1,971,043,450.30
  5. Step 5: Solve for x
    x = 1,971,043,450.30/45,148.06
  6. Step 6: Final answer
    x = 43,657.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.