Home / 74,385.68-102,622.56-47,521.22

Finding the Fourth Proportional to 74,385.68, 102,622.56 and 47,521.22

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Solution

The fourth proportional to 74,385.68, 102,622.56 and 47,521.22 is: 65,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,385.68 : 102,622.56 = 47,521.22 : x
  2. Step 2: Convert to fraction form
    74,385.68/102,622.56 = 47,521.22/x
  3. Step 3: Cross multiply
    74,385.68x = 102,622.56 × 47,521.22
  4. Step 4: Simplify right side
    74,385.68x = 4,876,749,250.72
  5. Step 5: Solve for x
    x = 4,876,749,250.72/74,385.68
  6. Step 6: Final answer
    x = 65,560.32

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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.