Home / 93,939.90-129,642.03-51,500.22

Finding the Fourth Proportional to 93,939.90, 129,642.03 and 51,500.22

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Solution

The fourth proportional to 93,939.90, 129,642.03 and 51,500.22 is: 71,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.90 : 129,642.03 = 51,500.22 : x
  2. Step 2: Convert to fraction form
    93,939.90/129,642.03 = 51,500.22/x
  3. Step 3: Cross multiply
    93,939.90x = 129,642.03 × 51,500.22
  4. Step 4: Simplify right side
    93,939.90x = 6,676,593,066.25
  5. Step 5: Solve for x
    x = 6,676,593,066.25/93,939.90
  6. Step 6: Final answer
    x = 71,073.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.