Home / 56,973.65-78,727.95-49,395.69

Finding the Fourth Proportional to 56,973.65, 78,727.95 and 49,395.69

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Solution

The fourth proportional to 56,973.65, 78,727.95 and 49,395.69 is: 68,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,973.65 : 78,727.95 = 49,395.69 : x
  2. Step 2: Convert to fraction form
    56,973.65/78,727.95 = 49,395.69/x
  3. Step 3: Cross multiply
    56,973.65x = 78,727.95 × 49,395.69
  4. Step 4: Simplify right side
    56,973.65x = 3,888,821,412.54
  5. Step 5: Solve for x
    x = 3,888,821,412.54/56,973.65
  6. Step 6: Final answer
    x = 68,256.50

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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.