Home / 70,954.13-97,917.36-39,124.16

Finding the Fourth Proportional to 70,954.13, 97,917.36 and 39,124.16

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Solution

The fourth proportional to 70,954.13, 97,917.36 and 39,124.16 is: 53,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.13 : 97,917.36 = 39,124.16 : x
  2. Step 2: Convert to fraction form
    70,954.13/97,917.36 = 39,124.16/x
  3. Step 3: Cross multiply
    70,954.13x = 97,917.36 × 39,124.16
  4. Step 4: Simplify right side
    70,954.13x = 3,830,934,459.42
  5. Step 5: Solve for x
    x = 3,830,934,459.42/70,954.13
  6. Step 6: Final answer
    x = 53,991.71

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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.