Home / 89,556.36-123,586.41-49,267.72

Finding the Fourth Proportional to 89,556.36, 123,586.41 and 49,267.72

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Solution

The fourth proportional to 89,556.36, 123,586.41 and 49,267.72 is: 67,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.36 : 123,586.41 = 49,267.72 : x
  2. Step 2: Convert to fraction form
    89,556.36/123,586.41 = 49,267.72/x
  3. Step 3: Cross multiply
    89,556.36x = 123,586.41 × 49,267.72
  4. Step 4: Simplify right side
    89,556.36x = 6,088,820,643.69
  5. Step 5: Solve for x
    x = 6,088,820,643.69/89,556.36
  6. Step 6: Final answer
    x = 67,988.70

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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.