Home / 89,614.50-123,653.54-51,367.01

Finding the Fourth Proportional to 89,614.50, 123,653.54 and 51,367.01

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Solution

The fourth proportional to 89,614.50, 123,653.54 and 51,367.01 is: 70,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.50 : 123,653.54 = 51,367.01 : x
  2. Step 2: Convert to fraction form
    89,614.50/123,653.54 = 51,367.01/x
  3. Step 3: Cross multiply
    89,614.50x = 123,653.54 × 51,367.01
  4. Step 4: Simplify right side
    89,614.50x = 6,351,711,750.61
  5. Step 5: Solve for x
    x = 6,351,711,750.61/89,614.50
  6. Step 6: Final answer
    x = 70,878.17

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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.