Home / 52,493.09-72,440.54-28,619.69

Finding the Fourth Proportional to 52,493.09, 72,440.54 and 28,619.69

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Solution

The fourth proportional to 52,493.09, 72,440.54 and 28,619.69 is: 39,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,493.09 : 72,440.54 = 28,619.69 : x
  2. Step 2: Convert to fraction form
    52,493.09/72,440.54 = 28,619.69/x
  3. Step 3: Cross multiply
    52,493.09x = 72,440.54 × 28,619.69
  4. Step 4: Simplify right side
    52,493.09x = 2,073,225,292.93
  5. Step 5: Solve for x
    x = 2,073,225,292.93/52,493.09
  6. Step 6: Final answer
    x = 39,495.21

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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.