Home / 89,984.90-134,993.75-45,029.76

Finding the Fourth Proportional to 89,984.90, 134,993.75 and 45,029.76

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Solution

The fourth proportional to 89,984.90, 134,993.75 and 45,029.76 is: 67,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.90 : 134,993.75 = 45,029.76 : x
  2. Step 2: Convert to fraction form
    89,984.90/134,993.75 = 45,029.76/x
  3. Step 3: Cross multiply
    89,984.90x = 134,993.75 × 45,029.76
  4. Step 4: Simplify right side
    89,984.90x = 6,078,735,938.85
  5. Step 5: Solve for x
    x = 6,078,735,938.85/89,984.90
  6. Step 6: Final answer
    x = 67,552.85

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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.