Home / 90,304.07-124,622.01-50,021.42

Finding the Fourth Proportional to 90,304.07, 124,622.01 and 50,021.42

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Solution

The fourth proportional to 90,304.07, 124,622.01 and 50,021.42 is: 69,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.07 : 124,622.01 = 50,021.42 : x
  2. Step 2: Convert to fraction form
    90,304.07/124,622.01 = 50,021.42/x
  3. Step 3: Cross multiply
    90,304.07x = 124,622.01 × 50,021.42
  4. Step 4: Simplify right side
    90,304.07x = 6,233,769,280.34
  5. Step 5: Solve for x
    x = 6,233,769,280.34/90,304.07
  6. Step 6: Final answer
    x = 69,030.88

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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.