Home / 52,181.47-72,010.45-29,520.01

Finding the Fourth Proportional to 52,181.47, 72,010.45 and 29,520.01

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Solution

The fourth proportional to 52,181.47, 72,010.45 and 29,520.01 is: 40,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,181.47 : 72,010.45 = 29,520.01 : x
  2. Step 2: Convert to fraction form
    52,181.47/72,010.45 = 29,520.01/x
  3. Step 3: Cross multiply
    52,181.47x = 72,010.45 × 29,520.01
  4. Step 4: Simplify right side
    52,181.47x = 2,125,749,204.10
  5. Step 5: Solve for x
    x = 2,125,749,204.10/52,181.47
  6. Step 6: Final answer
    x = 40,737.63

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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.