Home / 113,756.14-156,987.75-63,464.86

Finding the Fourth Proportional to 113,756.14, 156,987.75 and 63,464.86

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Solution

The fourth proportional to 113,756.14, 156,987.75 and 63,464.86 is: 87,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,756.14 : 156,987.75 = 63,464.86 : x
  2. Step 2: Convert to fraction form
    113,756.14/156,987.75 = 63,464.86/x
  3. Step 3: Cross multiply
    113,756.14x = 156,987.75 × 63,464.86
  4. Step 4: Simplify right side
    113,756.14x = 9,963,205,575.47
  5. Step 5: Solve for x
    x = 9,963,205,575.47/113,756.14
  6. Step 6: Final answer
    x = 87,583.89

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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.