Home / 75,059.18-103,666.70-51,144.34

Finding the Fourth Proportional to 75,059.18, 103,666.70 and 51,144.34

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Solution

The fourth proportional to 75,059.18, 103,666.70 and 51,144.34 is: 70,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,059.18 : 103,666.70 = 51,144.34 : x
  2. Step 2: Convert to fraction form
    75,059.18/103,666.70 = 51,144.34/x
  3. Step 3: Cross multiply
    75,059.18x = 103,666.70 × 51,144.34
  4. Step 4: Simplify right side
    75,059.18x = 5,301,964,433.14
  5. Step 5: Solve for x
    x = 5,301,964,433.14/75,059.18
  6. Step 6: Final answer
    x = 70,637.12

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1.5x scale

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.