Home / 71,178.02-98,112.54-56,046.68

Finding the Fourth Proportional to 71,178.02, 98,112.54 and 56,046.68

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Solution

The fourth proportional to 71,178.02, 98,112.54 and 56,046.68 is: 77,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,178.02 : 98,112.54 = 56,046.68 : x
  2. Step 2: Convert to fraction form
    71,178.02/98,112.54 = 56,046.68/x
  3. Step 3: Cross multiply
    71,178.02x = 98,112.54 × 56,046.68
  4. Step 4: Simplify right side
    71,178.02x = 5,498,882,133.37
  5. Step 5: Solve for x
    x = 5,498,882,133.37/71,178.02
  6. Step 6: Final answer
    x = 77,255.34

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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.