Home / 78,003.02-107,634.89-44,009.55

Finding the Fourth Proportional to 78,003.02, 107,634.89 and 44,009.55

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Solution

The fourth proportional to 78,003.02, 107,634.89 and 44,009.55 is: 60,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003.02 : 107,634.89 = 44,009.55 : x
  2. Step 2: Convert to fraction form
    78,003.02/107,634.89 = 44,009.55/x
  3. Step 3: Cross multiply
    78,003.02x = 107,634.89 × 44,009.55
  4. Step 4: Simplify right side
    78,003.02x = 4,736,963,183.22
  5. Step 5: Solve for x
    x = 4,736,963,183.22/78,003.02
  6. Step 6: Final answer
    x = 60,727.94

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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.