Home / 79,530.02-119,196.54-40,065.60

Finding the Fourth Proportional to 79,530.02, 119,196.54 and 40,065.60

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Solution

The fourth proportional to 79,530.02, 119,196.54 and 40,065.60 is: 60,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.02 : 119,196.54 = 40,065.60 : x
  2. Step 2: Convert to fraction form
    79,530.02/119,196.54 = 40,065.60/x
  3. Step 3: Cross multiply
    79,530.02x = 119,196.54 × 40,065.60
  4. Step 4: Simplify right side
    79,530.02x = 4,775,680,893.02
  5. Step 5: Solve for x
    x = 4,775,680,893.02/79,530.02
  6. Step 6: Final answer
    x = 60,048.79

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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.