Home / 90,295.09-124,608.29-50,009.64

Finding the Fourth Proportional to 90,295.09, 124,608.29 and 50,009.64

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Solution

The fourth proportional to 90,295.09, 124,608.29 and 50,009.64 is: 69,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,295.09 : 124,608.29 = 50,009.64 : x
  2. Step 2: Convert to fraction form
    90,295.09/124,608.29 = 50,009.64/x
  3. Step 3: Cross multiply
    90,295.09x = 124,608.29 × 50,009.64
  4. Step 4: Simplify right side
    90,295.09x = 6,231,615,723.92
  5. Step 5: Solve for x
    x = 6,231,615,723.92/90,295.09
  6. Step 6: Final answer
    x = 69,013.89

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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.