Home / 76,130.28-114,160.05-40,582.62

Finding the Fourth Proportional to 76,130.28, 114,160.05 and 40,582.62

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Solution

The fourth proportional to 76,130.28, 114,160.05 and 40,582.62 is: 60,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130.28 : 114,160.05 = 40,582.62 : x
  2. Step 2: Convert to fraction form
    76,130.28/114,160.05 = 40,582.62/x
  3. Step 3: Cross multiply
    76,130.28x = 114,160.05 × 40,582.62
  4. Step 4: Simplify right side
    76,130.28x = 4,632,913,928.33
  5. Step 5: Solve for x
    x = 4,632,913,928.33/76,130.28
  6. Step 6: Final answer
    x = 60,855.08

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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.