Home / 69,660.84-96,126.63-40,981.64

Finding the Fourth Proportional to 69,660.84, 96,126.63 and 40,981.64

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Solution

The fourth proportional to 69,660.84, 96,126.63 and 40,981.64 is: 56,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.84 : 96,126.63 = 40,981.64 : x
  2. Step 2: Convert to fraction form
    69,660.84/96,126.63 = 40,981.64/x
  3. Step 3: Cross multiply
    69,660.84x = 96,126.63 × 40,981.64
  4. Step 4: Simplify right side
    69,660.84x = 3,939,426,945.07
  5. Step 5: Solve for x
    x = 3,939,426,945.07/69,660.84
  6. Step 6: Final answer
    x = 56,551.53

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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.