Home / 90,546.06-124,968.36-50,272.86

Finding the Fourth Proportional to 90,546.06, 124,968.36 and 50,272.86

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Solution

The fourth proportional to 90,546.06, 124,968.36 and 50,272.86 is: 69,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,546.06 : 124,968.36 = 50,272.86 : x
  2. Step 2: Convert to fraction form
    90,546.06/124,968.36 = 50,272.86/x
  3. Step 3: Cross multiply
    90,546.06x = 124,968.36 × 50,272.86
  4. Step 4: Simplify right side
    90,546.06x = 6,282,516,866.71
  5. Step 5: Solve for x
    x = 6,282,516,866.71/90,546.06
  6. Step 6: Final answer
    x = 69,384.76

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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.