Home / 90,266.72-124,575.08-49,984.23

Finding the Fourth Proportional to 90,266.72, 124,575.08 and 49,984.23

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Solution

The fourth proportional to 90,266.72, 124,575.08 and 49,984.23 is: 68,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,266.72 : 124,575.08 = 49,984.23 : x
  2. Step 2: Convert to fraction form
    90,266.72/124,575.08 = 49,984.23/x
  3. Step 3: Cross multiply
    90,266.72x = 124,575.08 × 49,984.23
  4. Step 4: Simplify right side
    90,266.72x = 6,226,789,450.99
  5. Step 5: Solve for x
    x = 6,226,789,450.99/90,266.72
  6. Step 6: Final answer
    x = 68,982.12

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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.