Home / 93,810.82-140,720.33-30,630.45

Finding the Fourth Proportional to 93,810.82, 140,720.33 and 30,630.45

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Solution

The fourth proportional to 93,810.82, 140,720.33 and 30,630.45 is: 45,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,810.82 : 140,720.33 = 30,630.45 : x
  2. Step 2: Convert to fraction form
    93,810.82/140,720.33 = 30,630.45/x
  3. Step 3: Cross multiply
    93,810.82x = 140,720.33 × 30,630.45
  4. Step 4: Simplify right side
    93,810.82x = 4,310,327,032.05
  5. Step 5: Solve for x
    x = 4,310,327,032.05/93,810.82
  6. Step 6: Final answer
    x = 45,947.01

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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.