Home / 74,698.74-103,126.45-49,582.58

Finding the Fourth Proportional to 74,698.74, 103,126.45 and 49,582.58

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Solution

The fourth proportional to 74,698.74, 103,126.45 and 49,582.58 is: 68,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,698.74 : 103,126.45 = 49,582.58 : x
  2. Step 2: Convert to fraction form
    74,698.74/103,126.45 = 49,582.58/x
  3. Step 3: Cross multiply
    74,698.74x = 103,126.45 × 49,582.58
  4. Step 4: Simplify right side
    74,698.74x = 5,113,275,457.24
  5. Step 5: Solve for x
    x = 5,113,275,457.24/74,698.74
  6. Step 6: Final answer
    x = 68,451.96

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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.