Home / 89,733.44-134,683.50-45,391.52

Finding the Fourth Proportional to 89,733.44, 134,683.50 and 45,391.52

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Solution

The fourth proportional to 89,733.44, 134,683.50 and 45,391.52 is: 68,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733.44 : 134,683.50 = 45,391.52 : x
  2. Step 2: Convert to fraction form
    89,733.44/134,683.50 = 45,391.52/x
  3. Step 3: Cross multiply
    89,733.44x = 134,683.50 × 45,391.52
  4. Step 4: Simplify right side
    89,733.44x = 6,113,488,783.92
  5. Step 5: Solve for x
    x = 6,113,488,783.92/89,733.44
  6. Step 6: Final answer
    x = 68,129.44

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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.