Home / 90,362.74-124,701.31-50,077.16

Finding the Fourth Proportional to 90,362.74, 124,701.31 and 50,077.16

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Solution

The fourth proportional to 90,362.74, 124,701.31 and 50,077.16 is: 69,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,362.74 : 124,701.31 = 50,077.16 : x
  2. Step 2: Convert to fraction form
    90,362.74/124,701.31 = 50,077.16/x
  3. Step 3: Cross multiply
    90,362.74x = 124,701.31 × 50,077.16
  4. Step 4: Simplify right side
    90,362.74x = 6,244,687,827.43
  5. Step 5: Solve for x
    x = 6,244,687,827.43/90,362.74
  6. Step 6: Final answer
    x = 69,106.89

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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.