Home / 61,119.28-91,666.56-35,803.60

Finding the Fourth Proportional to 61,119.28, 91,666.56 and 35,803.60

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Solution

The fourth proportional to 61,119.28, 91,666.56 and 35,803.60 is: 53,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119.28 : 91,666.56 = 35,803.60 : x
  2. Step 2: Convert to fraction form
    61,119.28/91,666.56 = 35,803.60/x
  3. Step 3: Cross multiply
    61,119.28x = 91,666.56 × 35,803.60
  4. Step 4: Simplify right side
    61,119.28x = 3,281,992,847.62
  5. Step 5: Solve for x
    x = 3,281,992,847.62/61,119.28
  6. Step 6: Final answer
    x = 53,698.16

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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.