Home / 90,699.36-125,164.56-50,412.48

Finding the Fourth Proportional to 90,699.36, 125,164.56 and 50,412.48

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Solution

The fourth proportional to 90,699.36, 125,164.56 and 50,412.48 is: 69,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699.36 : 125,164.56 = 50,412.48 : x
  2. Step 2: Convert to fraction form
    90,699.36/125,164.56 = 50,412.48/x
  3. Step 3: Cross multiply
    90,699.36x = 125,164.56 × 50,412.48
  4. Step 4: Simplify right side
    90,699.36x = 6,309,855,877.71
  5. Step 5: Solve for x
    x = 6,309,855,877.71/90,699.36
  6. Step 6: Final answer
    x = 69,568.91

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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.