Home / 97,930.77-135,098.37-71,014.25

Finding the Fourth Proportional to 97,930.77, 135,098.37 and 71,014.25

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Solution

The fourth proportional to 97,930.77, 135,098.37 and 71,014.25 is: 97,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,930.77 : 135,098.37 = 71,014.25 : x
  2. Step 2: Convert to fraction form
    97,930.77/135,098.37 = 71,014.25/x
  3. Step 3: Cross multiply
    97,930.77x = 135,098.37 × 71,014.25
  4. Step 4: Simplify right side
    97,930.77x = 9,593,908,746.28
  5. Step 5: Solve for x
    x = 9,593,908,746.28/97,930.77
  6. Step 6: Final answer
    x = 97,966.23

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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.