Home / 68,319.40-94,288.02-40,048.84

Finding the Fourth Proportional to 68,319.40, 94,288.02 and 40,048.84

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Solution

The fourth proportional to 68,319.40, 94,288.02 and 40,048.84 is: 55,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,319.40 : 94,288.02 = 40,048.84 : x
  2. Step 2: Convert to fraction form
    68,319.40/94,288.02 = 40,048.84/x
  3. Step 3: Cross multiply
    68,319.40x = 94,288.02 × 40,048.84
  4. Step 4: Simplify right side
    68,319.40x = 3,776,125,826.90
  5. Step 5: Solve for x
    x = 3,776,125,826.90/68,319.40
  6. Step 6: Final answer
    x = 55,271.65

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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.