Home / 81,822.50-122,607.96-48,476.24

Finding the Fourth Proportional to 81,822.50, 122,607.96 and 48,476.24

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Solution

The fourth proportional to 81,822.50, 122,607.96 and 48,476.24 is: 72,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,822.50 : 122,607.96 = 48,476.24 : x
  2. Step 2: Convert to fraction form
    81,822.50/122,607.96 = 48,476.24/x
  3. Step 3: Cross multiply
    81,822.50x = 122,607.96 × 48,476.24
  4. Step 4: Simplify right side
    81,822.50x = 5,943,572,894.87
  5. Step 5: Solve for x
    x = 5,943,572,894.87/81,822.50
  6. Step 6: Final answer
    x = 72,639.83

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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.