Home / 52,618.10-72,614.54-28,745.17

Finding the Fourth Proportional to 52,618.10, 72,614.54 and 28,745.17

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Solution

The fourth proportional to 52,618.10, 72,614.54 and 28,745.17 is: 39,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,618.10 : 72,614.54 = 28,745.17 : x
  2. Step 2: Convert to fraction form
    52,618.10/72,614.54 = 28,745.17/x
  3. Step 3: Cross multiply
    52,618.10x = 72,614.54 × 28,745.17
  4. Step 4: Simplify right side
    52,618.10x = 2,087,317,296.77
  5. Step 5: Solve for x
    x = 2,087,317,296.77/52,618.10
  6. Step 6: Final answer
    x = 39,669.19

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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.