Home / 80,752.04-111,564.24-61,698.50

Finding the Fourth Proportional to 80,752.04, 111,564.24 and 61,698.50

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Solution

The fourth proportional to 80,752.04, 111,564.24 and 61,698.50 is: 85,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752.04 : 111,564.24 = 61,698.50 : x
  2. Step 2: Convert to fraction form
    80,752.04/111,564.24 = 61,698.50/x
  3. Step 3: Cross multiply
    80,752.04x = 111,564.24 × 61,698.50
  4. Step 4: Simplify right side
    80,752.04x = 6,883,346,261.64
  5. Step 5: Solve for x
    x = 6,883,346,261.64/80,752.04
  6. Step 6: Final answer
    x = 85,240.52

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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.