Home / 89,812.95-123,942.75-49,528.14

Finding the Fourth Proportional to 89,812.95, 123,942.75 and 49,528.14

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Solution

The fourth proportional to 89,812.95, 123,942.75 and 49,528.14 is: 68,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.95 : 123,942.75 = 49,528.14 : x
  2. Step 2: Convert to fraction form
    89,812.95/123,942.75 = 49,528.14/x
  3. Step 3: Cross multiply
    89,812.95x = 123,942.75 × 49,528.14
  4. Step 4: Simplify right side
    89,812.95x = 6,138,653,873.99
  5. Step 5: Solve for x
    x = 6,138,653,873.99/89,812.95
  6. Step 6: Final answer
    x = 68,349.32

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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.