Home / 52,738.65-72,779.49-28,865.52

Finding the Fourth Proportional to 52,738.65, 72,779.49 and 28,865.52

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Solution

The fourth proportional to 52,738.65, 72,779.49 and 28,865.52 is: 39,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.65 : 72,779.49 = 28,865.52 : x
  2. Step 2: Convert to fraction form
    52,738.65/72,779.49 = 28,865.52/x
  3. Step 3: Cross multiply
    52,738.65x = 72,779.49 × 28,865.52
  4. Step 4: Simplify right side
    52,738.65x = 2,100,817,824.18
  5. Step 5: Solve for x
    x = 2,100,817,824.18/52,738.65
  6. Step 6: Final answer
    x = 39,834.50

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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.