Home / 99,701.25-149,580.12-40,579.35

Finding the Fourth Proportional to 99,701.25, 149,580.12 and 40,579.35

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Solution

The fourth proportional to 99,701.25, 149,580.12 and 40,579.35 is: 60,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,701.25 : 149,580.12 = 40,579.35 : x
  2. Step 2: Convert to fraction form
    99,701.25/149,580.12 = 40,579.35/x
  3. Step 3: Cross multiply
    99,701.25x = 149,580.12 × 40,579.35
  4. Step 4: Simplify right side
    99,701.25x = 6,069,864,042.52
  5. Step 5: Solve for x
    x = 6,069,864,042.52/99,701.25
  6. Step 6: Final answer
    x = 60,880.52

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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.