Home / 74,364.64-102,623.33-40,373.17

Finding the Fourth Proportional to 74,364.64, 102,623.33 and 40,373.17

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Solution

The fourth proportional to 74,364.64, 102,623.33 and 40,373.17 is: 55,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.64 : 102,623.33 = 40,373.17 : x
  2. Step 2: Convert to fraction form
    74,364.64/102,623.33 = 40,373.17/x
  3. Step 3: Cross multiply
    74,364.64x = 102,623.33 × 40,373.17
  4. Step 4: Simplify right side
    74,364.64x = 4,143,228,433.07
  5. Step 5: Solve for x
    x = 4,143,228,433.07/74,364.64
  6. Step 6: Final answer
    x = 55,715.04

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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.