Home / 82,263.60-123,395.40-47,271.60

Finding the Fourth Proportional to 82,263.60, 123,395.40 and 47,271.60

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Solution

The fourth proportional to 82,263.60, 123,395.40 and 47,271.60 is: 70,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263.60 : 123,395.40 = 47,271.60 : x
  2. Step 2: Convert to fraction form
    82,263.60/123,395.40 = 47,271.60/x
  3. Step 3: Cross multiply
    82,263.60x = 123,395.40 × 47,271.60
  4. Step 4: Simplify right side
    82,263.60x = 5,833,097,990.64
  5. Step 5: Solve for x
    x = 5,833,097,990.64/82,263.60
  6. Step 6: Final answer
    x = 70,907.40

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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.