Home / 90,904.96-125,341.50-62,238.52

Finding the Fourth Proportional to 90,904.96, 125,341.50 and 62,238.52

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Solution

The fourth proportional to 90,904.96, 125,341.50 and 62,238.52 is: 85,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,904.96 : 125,341.50 = 62,238.52 : x
  2. Step 2: Convert to fraction form
    90,904.96/125,341.50 = 62,238.52/x
  3. Step 3: Cross multiply
    90,904.96x = 125,341.50 × 62,238.52
  4. Step 4: Simplify right side
    90,904.96x = 7,801,069,454.58
  5. Step 5: Solve for x
    x = 7,801,069,454.58/90,904.96
  6. Step 6: Final answer
    x = 85,815.66

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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.