Home / 74,335.95-102,530.61-68,223.34

Finding the Fourth Proportional to 74,335.95, 102,530.61 and 68,223.34

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Solution

The fourth proportional to 74,335.95, 102,530.61 and 68,223.34 is: 94,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,335.95 : 102,530.61 = 68,223.34 : x
  2. Step 2: Convert to fraction form
    74,335.95/102,530.61 = 68,223.34/x
  3. Step 3: Cross multiply
    74,335.95x = 102,530.61 × 68,223.34
  4. Step 4: Simplify right side
    74,335.95x = 6,994,980,410.11
  5. Step 5: Solve for x
    x = 6,994,980,410.11/74,335.95
  6. Step 6: Final answer
    x = 94,099.56

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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.