Home / 72,137.09-108,698.03-59,277.53

Finding the Fourth Proportional to 72,137.09, 108,698.03 and 59,277.53

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Solution

The fourth proportional to 72,137.09, 108,698.03 and 59,277.53 is: 89,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,137.09 : 108,698.03 = 59,277.53 : x
  2. Step 2: Convert to fraction form
    72,137.09/108,698.03 = 59,277.53/x
  3. Step 3: Cross multiply
    72,137.09x = 108,698.03 × 59,277.53
  4. Step 4: Simplify right side
    72,137.09x = 6,443,350,734.27
  5. Step 5: Solve for x
    x = 6,443,350,734.27/72,137.09
  6. Step 6: Final answer
    x = 89,320.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.