Home / 82,356.06-113,639.10-46,545.78

Finding the Fourth Proportional to 82,356.06, 113,639.10 and 46,545.78

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Solution

The fourth proportional to 82,356.06, 113,639.10 and 46,545.78 is: 64,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,356.06 : 113,639.10 = 46,545.78 : x
  2. Step 2: Convert to fraction form
    82,356.06/113,639.10 = 46,545.78/x
  3. Step 3: Cross multiply
    82,356.06x = 113,639.10 × 46,545.78
  4. Step 4: Simplify right side
    82,356.06x = 5,289,420,548.00
  5. Step 5: Solve for x
    x = 5,289,420,548.00/82,356.06
  6. Step 6: Final answer
    x = 64,226.25

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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.