Home / 90,419.64-124,779.24-50,133.84

Finding the Fourth Proportional to 90,419.64, 124,779.24 and 50,133.84

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Solution

The fourth proportional to 90,419.64, 124,779.24 and 50,133.84 is: 69,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,419.64 : 124,779.24 = 50,133.84 : x
  2. Step 2: Convert to fraction form
    90,419.64/124,779.24 = 50,133.84/x
  3. Step 3: Cross multiply
    90,419.64x = 124,779.24 × 50,133.84
  4. Step 4: Simplify right side
    90,419.64x = 6,255,662,453.48
  5. Step 5: Solve for x
    x = 6,255,662,453.48/90,419.64
  6. Step 6: Final answer
    x = 69,184.78

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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.