Home / 77,235.27-106,529.70-70,882.36

Finding the Fourth Proportional to 77,235.27, 106,529.70 and 70,882.36

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Solution

The fourth proportional to 77,235.27, 106,529.70 and 70,882.36 is: 97,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,235.27 : 106,529.70 = 70,882.36 : x
  2. Step 2: Convert to fraction form
    77,235.27/106,529.70 = 70,882.36/x
  3. Step 3: Cross multiply
    77,235.27x = 106,529.70 × 70,882.36
  4. Step 4: Simplify right side
    77,235.27x = 7,551,076,546.09
  5. Step 5: Solve for x
    x = 7,551,076,546.09/77,235.27
  6. Step 6: Final answer
    x = 97,767.21

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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.