Home / 74,438.64-102,752.28-49,296.24

Finding the Fourth Proportional to 74,438.64, 102,752.28 and 49,296.24

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Solution

The fourth proportional to 74,438.64, 102,752.28 and 49,296.24 is: 68,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,438.64 : 102,752.28 = 49,296.24 : x
  2. Step 2: Convert to fraction form
    74,438.64/102,752.28 = 49,296.24/x
  3. Step 3: Cross multiply
    74,438.64x = 102,752.28 × 49,296.24
  4. Step 4: Simplify right side
    74,438.64x = 5,065,301,055.43
  5. Step 5: Solve for x
    x = 5,065,301,055.43/74,438.64
  6. Step 6: Final answer
    x = 68,046.66

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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.