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Finding the Fourth Proportional to 79,203.60, 118,801.08 and 26,607.60

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Solution

The fourth proportional to 79,203.60, 118,801.08 and 26,607.60 is: 39,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,203.60 : 118,801.08 = 26,607.60 : x
  2. Step 2: Convert to fraction form
    79,203.60/118,801.08 = 26,607.60/x
  3. Step 3: Cross multiply
    79,203.60x = 118,801.08 × 26,607.60
  4. Step 4: Simplify right side
    79,203.60x = 3,161,011,616.21
  5. Step 5: Solve for x
    x = 3,161,011,616.21/79,203.60
  6. Step 6: Final answer
    x = 39,909.95

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1.5x scale

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.