Home / 82,009.02-123,065.37-47,017.02

Finding the Fourth Proportional to 82,009.02, 123,065.37 and 47,017.02

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Solution

The fourth proportional to 82,009.02, 123,065.37 and 47,017.02 is: 70,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,009.02 : 123,065.37 = 47,017.02 : x
  2. Step 2: Convert to fraction form
    82,009.02/123,065.37 = 47,017.02/x
  3. Step 3: Cross multiply
    82,009.02x = 123,065.37 × 47,017.02
  4. Step 4: Simplify right side
    82,009.02x = 5,786,166,962.60
  5. Step 5: Solve for x
    x = 5,786,166,962.60/82,009.02
  6. Step 6: Final answer
    x = 70,555.25

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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.