Home / 90,588.34-125,009.94-50,299.84

Finding the Fourth Proportional to 90,588.34, 125,009.94 and 50,299.84

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Solution

The fourth proportional to 90,588.34, 125,009.94 and 50,299.84 is: 69,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.34 : 125,009.94 = 50,299.84 : x
  2. Step 2: Convert to fraction form
    90,588.34/125,009.94 = 50,299.84/x
  3. Step 3: Cross multiply
    90,588.34x = 125,009.94 × 50,299.84
  4. Step 4: Simplify right side
    90,588.34x = 6,287,979,980.41
  5. Step 5: Solve for x
    x = 6,287,979,980.41/90,588.34
  6. Step 6: Final answer
    x = 69,412.69

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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.