Home / 78,536.22-117,823.77-36,973.50

Finding the Fourth Proportional to 78,536.22, 117,823.77 and 36,973.50

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Solution

The fourth proportional to 78,536.22, 117,823.77 and 36,973.50 is: 55,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,536.22 : 117,823.77 = 36,973.50 : x
  2. Step 2: Convert to fraction form
    78,536.22/117,823.77 = 36,973.50/x
  3. Step 3: Cross multiply
    78,536.22x = 117,823.77 × 36,973.50
  4. Step 4: Simplify right side
    78,536.22x = 4,356,357,160.10
  5. Step 5: Solve for x
    x = 4,356,357,160.10/78,536.22
  6. Step 6: Final answer
    x = 55,469.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.