Home / 90,412.98-124,758.33-50,126.34

Finding the Fourth Proportional to 90,412.98, 124,758.33 and 50,126.34

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Solution

The fourth proportional to 90,412.98, 124,758.33 and 50,126.34 is: 69,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,412.98 : 124,758.33 = 50,126.34 : x
  2. Step 2: Convert to fraction form
    90,412.98/124,758.33 = 50,126.34/x
  3. Step 3: Cross multiply
    90,412.98x = 124,758.33 × 50,126.34
  4. Step 4: Simplify right side
    90,412.98x = 6,253,678,467.41
  5. Step 5: Solve for x
    x = 6,253,678,467.41/90,412.98
  6. Step 6: Final answer
    x = 69,167.93

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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.