Home / 61,150.90-84,352.44-38,453.98

Finding the Fourth Proportional to 61,150.90, 84,352.44 and 38,453.98

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Solution

The fourth proportional to 61,150.90, 84,352.44 and 38,453.98 is: 53,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.90 : 84,352.44 = 38,453.98 : x
  2. Step 2: Convert to fraction form
    61,150.90/84,352.44 = 38,453.98/x
  3. Step 3: Cross multiply
    61,150.90x = 84,352.44 × 38,453.98
  4. Step 4: Simplify right side
    61,150.90x = 3,243,687,040.71
  5. Step 5: Solve for x
    x = 3,243,687,040.71/61,150.90
  6. Step 6: Final answer
    x = 53,043.98

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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.