Home / 61,150.68-84,352.18-38,453.74

Finding the Fourth Proportional to 61,150.68, 84,352.18 and 38,453.74

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Solution

The fourth proportional to 61,150.68, 84,352.18 and 38,453.74 is: 53,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.68 : 84,352.18 = 38,453.74 : x
  2. Step 2: Convert to fraction form
    61,150.68/84,352.18 = 38,453.74/x
  3. Step 3: Cross multiply
    61,150.68x = 84,352.18 × 38,453.74
  4. Step 4: Simplify right side
    61,150.68x = 3,243,656,798.15
  5. Step 5: Solve for x
    x = 3,243,656,798.15/61,150.68
  6. Step 6: Final answer
    x = 53,043.68

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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.