Home / 90,404.48-124,751.40-50,114.36

Finding the Fourth Proportional to 90,404.48, 124,751.40 and 50,114.36

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Solution

The fourth proportional to 90,404.48, 124,751.40 and 50,114.36 is: 69,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,404.48 : 124,751.40 = 50,114.36 : x
  2. Step 2: Convert to fraction form
    90,404.48/124,751.40 = 50,114.36/x
  3. Step 3: Cross multiply
    90,404.48x = 124,751.40 × 50,114.36
  4. Step 4: Simplify right side
    90,404.48x = 6,251,836,570.10
  5. Step 5: Solve for x
    x = 6,251,836,570.10/90,404.48
  6. Step 6: Final answer
    x = 69,154.06

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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.