Home / 101,764.22-152,615.23-70,376

Finding the Fourth Proportional to 101,764.22, 152,615.23 and 70,376

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Solution

The fourth proportional to 101,764.22, 152,615.23 and 70,376 is: 105,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,764.22 : 152,615.23 = 70,376 : x
  2. Step 2: Convert to fraction form
    101,764.22/152,615.23 = 70,376/x
  3. Step 3: Cross multiply
    101,764.22x = 152,615.23 × 70,376
  4. Step 4: Simplify right side
    101,764.22x = 10,740,449,426.48
  5. Step 5: Solve for x
    x = 10,740,449,426.48/101,764.22
  6. Step 6: Final answer
    x = 105,542.49

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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.