Home / 57,972.15-86,438.94-56,922.39

Finding the Fourth Proportional to 57,972.15, 86,438.94 and 56,922.39

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Solution

The fourth proportional to 57,972.15, 86,438.94 and 56,922.39 is: 84,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.15 : 86,438.94 = 56,922.39 : x
  2. Step 2: Convert to fraction form
    57,972.15/86,438.94 = 56,922.39/x
  3. Step 3: Cross multiply
    57,972.15x = 86,438.94 × 56,922.39
  4. Step 4: Simplify right side
    57,972.15x = 4,920,311,053.87
  5. Step 5: Solve for x
    x = 4,920,311,053.87/57,972.15
  6. Step 6: Final answer
    x = 84,873.70

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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.