Home / 52,292.99-72,161.28-28,419.46

Finding the Fourth Proportional to 52,292.99, 72,161.28 and 28,419.46

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Solution

The fourth proportional to 52,292.99, 72,161.28 and 28,419.46 is: 39,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.99 : 72,161.28 = 28,419.46 : x
  2. Step 2: Convert to fraction form
    52,292.99/72,161.28 = 28,419.46/x
  3. Step 3: Cross multiply
    52,292.99x = 72,161.28 × 28,419.46
  4. Step 4: Simplify right side
    52,292.99x = 2,050,784,430.11
  5. Step 5: Solve for x
    x = 2,050,784,430.11/52,292.99
  6. Step 6: Final answer
    x = 39,217.19

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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.