Home / 113,756.64-156,988.44-63,465.36

Finding the Fourth Proportional to 113,756.64, 156,988.44 and 63,465.36

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Solution

The fourth proportional to 113,756.64, 156,988.44 and 63,465.36 is: 87,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,756.64 : 156,988.44 = 63,465.36 : x
  2. Step 2: Convert to fraction form
    113,756.64/156,988.44 = 63,465.36/x
  3. Step 3: Cross multiply
    113,756.64x = 156,988.44 × 63,465.36
  4. Step 4: Simplify right side
    113,756.64x = 9,963,327,860.44
  5. Step 5: Solve for x
    x = 9,963,327,860.44/113,756.64
  6. Step 6: Final answer
    x = 87,584.58

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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.