Home / 77,533.38-106,983.27-45,708.44

Finding the Fourth Proportional to 77,533.38, 106,983.27 and 45,708.44

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Solution

The fourth proportional to 77,533.38, 106,983.27 and 45,708.44 is: 63,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533.38 : 106,983.27 = 45,708.44 : x
  2. Step 2: Convert to fraction form
    77,533.38/106,983.27 = 45,708.44/x
  3. Step 3: Cross multiply
    77,533.38x = 106,983.27 × 45,708.44
  4. Step 4: Simplify right side
    77,533.38x = 4,890,037,842.88
  5. Step 5: Solve for x
    x = 4,890,037,842.88/77,533.38
  6. Step 6: Final answer
    x = 63,070.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.