Home / 89,465.48-123,463.90-49,180.94

Finding the Fourth Proportional to 89,465.48, 123,463.90 and 49,180.94

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Solution

The fourth proportional to 89,465.48, 123,463.90 and 49,180.94 is: 67,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,465.48 : 123,463.90 = 49,180.94 : x
  2. Step 2: Convert to fraction form
    89,465.48/123,463.90 = 49,180.94/x
  3. Step 3: Cross multiply
    89,465.48x = 123,463.90 × 49,180.94
  4. Step 4: Simplify right side
    89,465.48x = 6,072,071,089.68
  5. Step 5: Solve for x
    x = 6,072,071,089.68/89,465.48
  6. Step 6: Final answer
    x = 67,870.55

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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.