Home / 97,580.32-134,659.08-55,137.96

Finding the Fourth Proportional to 97,580.32, 134,659.08 and 55,137.96

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Solution

The fourth proportional to 97,580.32, 134,659.08 and 55,137.96 is: 76,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,580.32 : 134,659.08 = 55,137.96 : x
  2. Step 2: Convert to fraction form
    97,580.32/134,659.08 = 55,137.96/x
  3. Step 3: Cross multiply
    97,580.32x = 134,659.08 × 55,137.96
  4. Step 4: Simplify right side
    97,580.32x = 7,424,826,966.68
  5. Step 5: Solve for x
    x = 7,424,826,966.68/97,580.32
  6. Step 6: Final answer
    x = 76,089.39

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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.