Home / 57,807.25-86,709.63-26,642.50

Finding the Fourth Proportional to 57,807.25, 86,709.63 and 26,642.50

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Solution

The fourth proportional to 57,807.25, 86,709.63 and 26,642.50 is: 39,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.25 : 86,709.63 = 26,642.50 : x
  2. Step 2: Convert to fraction form
    57,807.25/86,709.63 = 26,642.50/x
  3. Step 3: Cross multiply
    57,807.25x = 86,709.63 × 26,642.50
  4. Step 4: Simplify right side
    57,807.25x = 2,310,161,100.50
  5. Step 5: Solve for x
    x = 2,310,161,100.50/57,807.25
  6. Step 6: Final answer
    x = 39,963.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.