Home / 89,385.39-134,134.56-49,968.36

Finding the Fourth Proportional to 89,385.39, 134,134.56 and 49,968.36

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Solution

The fourth proportional to 89,385.39, 134,134.56 and 49,968.36 is: 74,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,385.39 : 134,134.56 = 49,968.36 : x
  2. Step 2: Convert to fraction form
    89,385.39/134,134.56 = 49,968.36/x
  3. Step 3: Cross multiply
    89,385.39x = 134,134.56 × 49,968.36
  4. Step 4: Simplify right side
    89,385.39x = 6,702,483,982.52
  5. Step 5: Solve for x
    x = 6,702,483,982.52/89,385.39
  6. Step 6: Final answer
    x = 74,984.11

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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.