Home / 73,974.17-102,084.54-40,440.17

Finding the Fourth Proportional to 73,974.17, 102,084.54 and 40,440.17

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Solution

The fourth proportional to 73,974.17, 102,084.54 and 40,440.17 is: 55,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,974.17 : 102,084.54 = 40,440.17 : x
  2. Step 2: Convert to fraction form
    73,974.17/102,084.54 = 40,440.17/x
  3. Step 3: Cross multiply
    73,974.17x = 102,084.54 × 40,440.17
  4. Step 4: Simplify right side
    73,974.17x = 4,128,316,151.97
  5. Step 5: Solve for x
    x = 4,128,316,151.97/73,974.17
  6. Step 6: Final answer
    x = 55,807.54

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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.