Home / 74,407.53-111,612.24-21,818.07

Finding the Fourth Proportional to 74,407.53, 111,612.24 and 21,818.07

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Solution

The fourth proportional to 74,407.53, 111,612.24 and 21,818.07 is: 32,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,407.53 : 111,612.24 = 21,818.07 : x
  2. Step 2: Convert to fraction form
    74,407.53/111,612.24 = 21,818.07/x
  3. Step 3: Cross multiply
    74,407.53x = 111,612.24 × 21,818.07
  4. Step 4: Simplify right side
    74,407.53x = 2,435,163,665.18
  5. Step 5: Solve for x
    x = 2,435,163,665.18/74,407.53
  6. Step 6: Final answer
    x = 32,727.38

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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.