Home / 61,429.66-84,825.57-38,807.98

Finding the Fourth Proportional to 61,429.66, 84,825.57 and 38,807.98

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Solution

The fourth proportional to 61,429.66, 84,825.57 and 38,807.98 is: 53,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,429.66 : 84,825.57 = 38,807.98 : x
  2. Step 2: Convert to fraction form
    61,429.66/84,825.57 = 38,807.98/x
  3. Step 3: Cross multiply
    61,429.66x = 84,825.57 × 38,807.98
  4. Step 4: Simplify right side
    61,429.66x = 3,291,909,024.05
  5. Step 5: Solve for x
    x = 3,291,909,024.05/61,429.66
  6. Step 6: Final answer
    x = 53,588.27

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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.