Home / 74,109.06-102,329.49-68,441.76

Finding the Fourth Proportional to 74,109.06, 102,329.49 and 68,441.76

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Solution

The fourth proportional to 74,109.06, 102,329.49 and 68,441.76 is: 94,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,109.06 : 102,329.49 = 68,441.76 : x
  2. Step 2: Convert to fraction form
    74,109.06/102,329.49 = 68,441.76/x
  3. Step 3: Cross multiply
    74,109.06x = 102,329.49 × 68,441.76
  4. Step 4: Simplify right side
    74,109.06x = 7,003,610,395.50
  5. Step 5: Solve for x
    x = 7,003,610,395.50/74,109.06
  6. Step 6: Final answer
    x = 94,504.11

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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.