Home / 75,485.86-113,242.47-61,569.25

Finding the Fourth Proportional to 75,485.86, 113,242.47 and 61,569.25

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Solution

The fourth proportional to 75,485.86, 113,242.47 and 61,569.25 is: 92,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,485.86 : 113,242.47 = 61,569.25 : x
  2. Step 2: Convert to fraction form
    75,485.86/113,242.47 = 61,569.25/x
  3. Step 3: Cross multiply
    75,485.86x = 113,242.47 × 61,569.25
  4. Step 4: Simplify right side
    75,485.86x = 6,972,253,946.05
  5. Step 5: Solve for x
    x = 6,972,253,946.05/75,485.86
  6. Step 6: Final answer
    x = 92,365.03

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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.