Home / 77,859.47-107,439.02-43,873.49

Finding the Fourth Proportional to 77,859.47, 107,439.02 and 43,873.49

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Solution

The fourth proportional to 77,859.47, 107,439.02 and 43,873.49 is: 60,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,859.47 : 107,439.02 = 43,873.49 : x
  2. Step 2: Convert to fraction form
    77,859.47/107,439.02 = 43,873.49/x
  3. Step 3: Cross multiply
    77,859.47x = 107,439.02 × 43,873.49
  4. Step 4: Simplify right side
    77,859.47x = 4,713,724,769.58
  5. Step 5: Solve for x
    x = 4,713,724,769.58/77,859.47
  6. Step 6: Final answer
    x = 60,541.44

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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.