Home / 52,759.69-72,810.23-28,886.56

Finding the Fourth Proportional to 52,759.69, 72,810.23 and 28,886.56

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Solution

The fourth proportional to 52,759.69, 72,810.23 and 28,886.56 is: 39,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.69 : 72,810.23 = 28,886.56 : x
  2. Step 2: Convert to fraction form
    52,759.69/72,810.23 = 28,886.56/x
  3. Step 3: Cross multiply
    52,759.69x = 72,810.23 × 28,886.56
  4. Step 4: Simplify right side
    52,759.69x = 2,103,236,751.05
  5. Step 5: Solve for x
    x = 2,103,236,751.05/52,759.69
  6. Step 6: Final answer
    x = 39,864.47

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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.