Home / 52,688.57-72,716.87-34,554.54

Finding the Fourth Proportional to 52,688.57, 72,716.87 and 34,554.54

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Solution

The fourth proportional to 52,688.57, 72,716.87 and 34,554.54 is: 47,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,688.57 : 72,716.87 = 34,554.54 : x
  2. Step 2: Convert to fraction form
    52,688.57/72,716.87 = 34,554.54/x
  3. Step 3: Cross multiply
    52,688.57x = 72,716.87 × 34,554.54
  4. Step 4: Simplify right side
    52,688.57x = 2,512,697,820.32
  5. Step 5: Solve for x
    x = 2,512,697,820.32/52,688.57
  6. Step 6: Final answer
    x = 47,689.62

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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.