Home / 89,801.42-123,931.48-49,515.06

Finding the Fourth Proportional to 89,801.42, 123,931.48 and 49,515.06

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Solution

The fourth proportional to 89,801.42, 123,931.48 and 49,515.06 is: 68,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,801.42 : 123,931.48 = 49,515.06 : x
  2. Step 2: Convert to fraction form
    89,801.42/123,931.48 = 49,515.06/x
  3. Step 3: Cross multiply
    89,801.42x = 123,931.48 × 49,515.06
  4. Step 4: Simplify right side
    89,801.42x = 6,136,474,668.09
  5. Step 5: Solve for x
    x = 6,136,474,668.09/89,801.42
  6. Step 6: Final answer
    x = 68,333.83

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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.