Home / 72,537.48-100,076.05-47,401.56

Finding the Fourth Proportional to 72,537.48, 100,076.05 and 47,401.56

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Solution

The fourth proportional to 72,537.48, 100,076.05 and 47,401.56 is: 65,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.48 : 100,076.05 = 47,401.56 : x
  2. Step 2: Convert to fraction form
    72,537.48/100,076.05 = 47,401.56/x
  3. Step 3: Cross multiply
    72,537.48x = 100,076.05 × 47,401.56
  4. Step 4: Simplify right side
    72,537.48x = 4,743,760,888.64
  5. Step 5: Solve for x
    x = 4,743,760,888.64/72,537.48
  6. Step 6: Final answer
    x = 65,397.38

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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.