Home / 90,018.75-124,225.88-50,274.75

Finding the Fourth Proportional to 90,018.75, 124,225.88 and 50,274.75

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Solution

The fourth proportional to 90,018.75, 124,225.88 and 50,274.75 is: 69,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.75 : 124,225.88 = 50,274.75 : x
  2. Step 2: Convert to fraction form
    90,018.75/124,225.88 = 50,274.75/x
  3. Step 3: Cross multiply
    90,018.75x = 124,225.88 × 50,274.75
  4. Step 4: Simplify right side
    90,018.75x = 6,245,424,809.16
  5. Step 5: Solve for x
    x = 6,245,424,809.16/90,018.75
  6. Step 6: Final answer
    x = 69,379.16

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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.