Home / 90,530.60-124,928.53-50,246.06

Finding the Fourth Proportional to 90,530.60, 124,928.53 and 50,246.06

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Solution

The fourth proportional to 90,530.60, 124,928.53 and 50,246.06 is: 69,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.60 : 124,928.53 = 50,246.06 : x
  2. Step 2: Convert to fraction form
    90,530.60/124,928.53 = 50,246.06/x
  3. Step 3: Cross multiply
    90,530.60x = 124,928.53 × 50,246.06
  4. Step 4: Simplify right side
    90,530.60x = 6,277,165,663.83
  5. Step 5: Solve for x
    x = 6,277,165,663.83/90,530.60
  6. Step 6: Final answer
    x = 69,337.51

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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.