Home / 76,214.11-105,140.52-49,365.25

Finding the Fourth Proportional to 76,214.11, 105,140.52 and 49,365.25

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Solution

The fourth proportional to 76,214.11, 105,140.52 and 49,365.25 is: 68,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,214.11 : 105,140.52 = 49,365.25 : x
  2. Step 2: Convert to fraction form
    76,214.11/105,140.52 = 49,365.25/x
  3. Step 3: Cross multiply
    76,214.11x = 105,140.52 × 49,365.25
  4. Step 4: Simplify right side
    76,214.11x = 5,190,288,054.93
  5. Step 5: Solve for x
    x = 5,190,288,054.93/76,214.11
  6. Step 6: Final answer
    x = 68,101.41

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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.