Home / 124,847.01-172,272.42-70,401.96

Finding the Fourth Proportional to 124,847.01, 172,272.42 and 70,401.96

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Solution

The fourth proportional to 124,847.01, 172,272.42 and 70,401.96 is: 97,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.01 : 172,272.42 = 70,401.96 : x
  2. Step 2: Convert to fraction form
    124,847.01/172,272.42 = 70,401.96/x
  3. Step 3: Cross multiply
    124,847.01x = 172,272.42 × 70,401.96
  4. Step 4: Simplify right side
    124,847.01x = 12,128,316,021.94
  5. Step 5: Solve for x
    x = 12,128,316,021.94/124,847.01
  6. Step 6: Final answer
    x = 97,145.43

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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.