Home / 67,801.96-93,449.86-45,100.36

Finding the Fourth Proportional to 67,801.96, 93,449.86 and 45,100.36

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Solution

The fourth proportional to 67,801.96, 93,449.86 and 45,100.36 is: 62,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,801.96 : 93,449.86 = 45,100.36 : x
  2. Step 2: Convert to fraction form
    67,801.96/93,449.86 = 45,100.36/x
  3. Step 3: Cross multiply
    67,801.96x = 93,449.86 × 45,100.36
  4. Step 4: Simplify right side
    67,801.96x = 4,214,621,981.57
  5. Step 5: Solve for x
    x = 4,214,621,981.57/67,801.96
  6. Step 6: Final answer
    x = 62,160.77

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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.