Home / 124,380.38-171,649.55-70,674.48

Finding the Fourth Proportional to 124,380.38, 171,649.55 and 70,674.48

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Solution

The fourth proportional to 124,380.38, 171,649.55 and 70,674.48 is: 97,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380.38 : 171,649.55 = 70,674.48 : x
  2. Step 2: Convert to fraction form
    124,380.38/171,649.55 = 70,674.48/x
  3. Step 3: Cross multiply
    124,380.38x = 171,649.55 × 70,674.48
  4. Step 4: Simplify right side
    124,380.38x = 12,131,242,865.17
  5. Step 5: Solve for x
    x = 12,131,242,865.17/124,380.38
  6. Step 6: Final answer
    x = 97,533.41

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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.