Home / 76,925.31-115,351.05-36,365.05

Finding the Fourth Proportional to 76,925.31, 115,351.05 and 36,365.05

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Solution

The fourth proportional to 76,925.31, 115,351.05 and 36,365.05 is: 54,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,925.31 : 115,351.05 = 36,365.05 : x
  2. Step 2: Convert to fraction form
    76,925.31/115,351.05 = 36,365.05/x
  3. Step 3: Cross multiply
    76,925.31x = 115,351.05 × 36,365.05
  4. Step 4: Simplify right side
    76,925.31x = 4,194,746,674.53
  5. Step 5: Solve for x
    x = 4,194,746,674.53/76,925.31
  6. Step 6: Final answer
    x = 54,530.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.