Home / 89,303.82-123,240.78-49,021.36

Finding the Fourth Proportional to 89,303.82, 123,240.78 and 49,021.36

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Solution

The fourth proportional to 89,303.82, 123,240.78 and 49,021.36 is: 67,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.82 : 123,240.78 = 49,021.36 : x
  2. Step 2: Convert to fraction form
    89,303.82/123,240.78 = 49,021.36/x
  3. Step 3: Cross multiply
    89,303.82x = 123,240.78 × 49,021.36
  4. Step 4: Simplify right side
    89,303.82x = 6,041,430,643.06
  5. Step 5: Solve for x
    x = 6,041,430,643.06/89,303.82
  6. Step 6: Final answer
    x = 67,650.30

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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.