Home / 97,811.87-134,983.59-55,369.49

Finding the Fourth Proportional to 97,811.87, 134,983.59 and 55,369.49

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Solution

The fourth proportional to 97,811.87, 134,983.59 and 55,369.49 is: 76,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.87 : 134,983.59 = 55,369.49 : x
  2. Step 2: Convert to fraction form
    97,811.87/134,983.59 = 55,369.49/x
  3. Step 3: Cross multiply
    97,811.87x = 134,983.59 × 55,369.49
  4. Step 4: Simplify right side
    97,811.87x = 7,473,972,536.67
  5. Step 5: Solve for x
    x = 7,473,972,536.67/97,811.87
  6. Step 6: Final answer
    x = 76,411.71

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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.