Home / 70,642.13-97,442.87-41,942.30

Finding the Fourth Proportional to 70,642.13, 97,442.87 and 41,942.30

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Solution

The fourth proportional to 70,642.13, 97,442.87 and 41,942.30 is: 57,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,642.13 : 97,442.87 = 41,942.30 : x
  2. Step 2: Convert to fraction form
    70,642.13/97,442.87 = 41,942.30/x
  3. Step 3: Cross multiply
    70,642.13x = 97,442.87 × 41,942.30
  4. Step 4: Simplify right side
    70,642.13x = 4,086,977,389.48
  5. Step 5: Solve for x
    x = 4,086,977,389.48/70,642.13
  6. Step 6: Final answer
    x = 57,854.68

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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.