Home / 68,378.63-94,360.01-42,898.70

Finding the Fourth Proportional to 68,378.63, 94,360.01 and 42,898.70

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Solution

The fourth proportional to 68,378.63, 94,360.01 and 42,898.70 is: 59,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,378.63 : 94,360.01 = 42,898.70 : x
  2. Step 2: Convert to fraction form
    68,378.63/94,360.01 = 42,898.70/x
  3. Step 3: Cross multiply
    68,378.63x = 94,360.01 × 42,898.70
  4. Step 4: Simplify right side
    68,378.63x = 4,047,921,074.69
  5. Step 5: Solve for x
    x = 4,047,921,074.69/68,378.63
  6. Step 6: Final answer
    x = 59,198.63

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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.