Home / 89,440.76-134,197.85-47,309.58

Finding the Fourth Proportional to 89,440.76, 134,197.85 and 47,309.58

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Solution

The fourth proportional to 89,440.76, 134,197.85 and 47,309.58 is: 70,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.76 : 134,197.85 = 47,309.58 : x
  2. Step 2: Convert to fraction form
    89,440.76/134,197.85 = 47,309.58/x
  3. Step 3: Cross multiply
    89,440.76x = 134,197.85 × 47,309.58
  4. Step 4: Simplify right side
    89,440.76x = 6,348,843,920.40
  5. Step 5: Solve for x
    x = 6,348,843,920.40/89,440.76
  6. Step 6: Final answer
    x = 70,983.79

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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.