Home / 81,990.08-113,146.94-46,176.74

Finding the Fourth Proportional to 81,990.08, 113,146.94 and 46,176.74

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Solution

The fourth proportional to 81,990.08, 113,146.94 and 46,176.74 is: 63,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,990.08 : 113,146.94 = 46,176.74 : x
  2. Step 2: Convert to fraction form
    81,990.08/113,146.94 = 46,176.74/x
  3. Step 3: Cross multiply
    81,990.08x = 113,146.94 × 46,176.74
  4. Step 4: Simplify right side
    81,990.08x = 5,224,756,830.18
  5. Step 5: Solve for x
    x = 5,224,756,830.18/81,990.08
  6. Step 6: Final answer
    x = 63,724.26

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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.