Home / 76,172.20-105,117.69-41,716.75

Finding the Fourth Proportional to 76,172.20, 105,117.69 and 41,716.75

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Solution

The fourth proportional to 76,172.20, 105,117.69 and 41,716.75 is: 57,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172.20 : 105,117.69 = 41,716.75 : x
  2. Step 2: Convert to fraction form
    76,172.20/105,117.69 = 41,716.75/x
  3. Step 3: Cross multiply
    76,172.20x = 105,117.69 × 41,716.75
  4. Step 4: Simplify right side
    76,172.20x = 4,385,168,394.31
  5. Step 5: Solve for x
    x = 4,385,168,394.31/76,172.20
  6. Step 6: Final answer
    x = 57,569.14

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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.