Home / 77,824.02-107,350.59-49,092.93

Finding the Fourth Proportional to 77,824.02, 107,350.59 and 49,092.93

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Solution

The fourth proportional to 77,824.02, 107,350.59 and 49,092.93 is: 67,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,824.02 : 107,350.59 = 49,092.93 : x
  2. Step 2: Convert to fraction form
    77,824.02/107,350.59 = 49,092.93/x
  3. Step 3: Cross multiply
    77,824.02x = 107,350.59 × 49,092.93
  4. Step 4: Simplify right side
    77,824.02x = 5,270,155,000.33
  5. Step 5: Solve for x
    x = 5,270,155,000.33/77,824.02
  6. Step 6: Final answer
    x = 67,718.87

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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.