Home / 89,479.84-123,483.60-49,195.36

Finding the Fourth Proportional to 89,479.84, 123,483.60 and 49,195.36

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Solution

The fourth proportional to 89,479.84, 123,483.60 and 49,195.36 is: 67,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,479.84 : 123,483.60 = 49,195.36 : x
  2. Step 2: Convert to fraction form
    89,479.84/123,483.60 = 49,195.36/x
  3. Step 3: Cross multiply
    89,479.84x = 123,483.60 × 49,195.36
  4. Step 4: Simplify right side
    89,479.84x = 6,074,820,156.10
  5. Step 5: Solve for x
    x = 6,074,820,156.10/89,479.84
  6. Step 6: Final answer
    x = 67,890.38

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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.