Home / 52,911.45-72,991.77-38,548.94

Finding the Fourth Proportional to 52,911.45, 72,991.77 and 38,548.94

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Solution

The fourth proportional to 52,911.45, 72,991.77 and 38,548.94 is: 53,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,911.45 : 72,991.77 = 38,548.94 : x
  2. Step 2: Convert to fraction form
    52,911.45/72,991.77 = 38,548.94/x
  3. Step 3: Cross multiply
    52,911.45x = 72,991.77 × 38,548.94
  4. Step 4: Simplify right side
    52,911.45x = 2,813,754,997.26
  5. Step 5: Solve for x
    x = 2,813,754,997.26/52,911.45
  6. Step 6: Final answer
    x = 53,178.57

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1.5x scale

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.