Home / 62,921.86-86,832.78-34,628.20

Finding the Fourth Proportional to 62,921.86, 86,832.78 and 34,628.20

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Solution

The fourth proportional to 62,921.86, 86,832.78 and 34,628.20 is: 47,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921.86 : 86,832.78 = 34,628.20 : x
  2. Step 2: Convert to fraction form
    62,921.86/86,832.78 = 34,628.20/x
  3. Step 3: Cross multiply
    62,921.86x = 86,832.78 × 34,628.20
  4. Step 4: Simplify right side
    62,921.86x = 3,006,862,872.40
  5. Step 5: Solve for x
    x = 3,006,862,872.40/62,921.86
  6. Step 6: Final answer
    x = 47,787.25

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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.