Home / 89,558.87-123,592.23-51,317.64

Finding the Fourth Proportional to 89,558.87, 123,592.23 and 51,317.64

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Solution

The fourth proportional to 89,558.87, 123,592.23 and 51,317.64 is: 70,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.87 : 123,592.23 = 51,317.64 : x
  2. Step 2: Convert to fraction form
    89,558.87/123,592.23 = 51,317.64/x
  3. Step 3: Cross multiply
    89,558.87x = 123,592.23 × 51,317.64
  4. Step 4: Simplify right side
    89,558.87x = 6,342,461,565.94
  5. Step 5: Solve for x
    x = 6,342,461,565.94/89,558.87
  6. Step 6: Final answer
    x = 70,818.91

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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.