Home / 70,860.17-97,791.47-39,029.06

Finding the Fourth Proportional to 70,860.17, 97,791.47 and 39,029.06

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Solution

The fourth proportional to 70,860.17, 97,791.47 and 39,029.06 is: 53,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860.17 : 97,791.47 = 39,029.06 : x
  2. Step 2: Convert to fraction form
    70,860.17/97,791.47 = 39,029.06/x
  3. Step 3: Cross multiply
    70,860.17x = 97,791.47 × 39,029.06
  4. Step 4: Simplify right side
    70,860.17x = 3,816,708,466.02
  5. Step 5: Solve for x
    x = 3,816,708,466.02/70,860.17
  6. Step 6: Final answer
    x = 53,862.54

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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.