Home / 97,533.27-134,558.82-72,100.70

Finding the Fourth Proportional to 97,533.27, 134,558.82 and 72,100.70

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Solution

The fourth proportional to 97,533.27, 134,558.82 and 72,100.70 is: 99,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,533.27 : 134,558.82 = 72,100.70 : x
  2. Step 2: Convert to fraction form
    97,533.27/134,558.82 = 72,100.70/x
  3. Step 3: Cross multiply
    97,533.27x = 134,558.82 × 72,100.70
  4. Step 4: Simplify right side
    97,533.27x = 9,701,785,113.17
  5. Step 5: Solve for x
    x = 9,701,785,113.17/97,533.27
  6. Step 6: Final answer
    x = 99,471.55

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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.