Home / 74,076.55-102,225.93-68,425.72

Finding the Fourth Proportional to 74,076.55, 102,225.93 and 68,425.72

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Solution

The fourth proportional to 74,076.55, 102,225.93 and 68,425.72 is: 94,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.55 : 102,225.93 = 68,425.72 : x
  2. Step 2: Convert to fraction form
    74,076.55/102,225.93 = 68,425.72/x
  3. Step 3: Cross multiply
    74,076.55x = 102,225.93 × 68,425.72
  4. Step 4: Simplify right side
    74,076.55x = 6,994,882,862.92
  5. Step 5: Solve for x
    x = 6,994,882,862.92/74,076.55
  6. Step 6: Final answer
    x = 94,427.76

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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.