Home / 49,572.40-68,402.69-28,347.56

Finding the Fourth Proportional to 49,572.40, 68,402.69 and 28,347.56

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Solution

The fourth proportional to 49,572.40, 68,402.69 and 28,347.56 is: 39,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.40 : 68,402.69 = 28,347.56 : x
  2. Step 2: Convert to fraction form
    49,572.40/68,402.69 = 28,347.56/x
  3. Step 3: Cross multiply
    49,572.40x = 68,402.69 × 28,347.56
  4. Step 4: Simplify right side
    49,572.40x = 1,939,049,547.66
  5. Step 5: Solve for x
    x = 1,939,049,547.66/49,572.40
  6. Step 6: Final answer
    x = 39,115.51

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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.