Home / 90,507.53-124,899.98-50,221.19

Finding the Fourth Proportional to 90,507.53, 124,899.98 and 50,221.19

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Solution

The fourth proportional to 90,507.53, 124,899.98 and 50,221.19 is: 69,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.53 : 124,899.98 = 50,221.19 : x
  2. Step 2: Convert to fraction form
    90,507.53/124,899.98 = 50,221.19/x
  3. Step 3: Cross multiply
    90,507.53x = 124,899.98 × 50,221.19
  4. Step 4: Simplify right side
    90,507.53x = 6,272,624,750.97
  5. Step 5: Solve for x
    x = 6,272,624,750.97/90,507.53
  6. Step 6: Final answer
    x = 69,305.01

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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.