Home / 97,826.94-135,112.05-65,941.02

Finding the Fourth Proportional to 97,826.94, 135,112.05 and 65,941.02

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Solution

The fourth proportional to 97,826.94, 135,112.05 and 65,941.02 is: 91,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,826.94 : 135,112.05 = 65,941.02 : x
  2. Step 2: Convert to fraction form
    97,826.94/135,112.05 = 65,941.02/x
  3. Step 3: Cross multiply
    97,826.94x = 135,112.05 × 65,941.02
  4. Step 4: Simplify right side
    97,826.94x = 8,909,426,391.29
  5. Step 5: Solve for x
    x = 8,909,426,391.29/97,826.94
  6. Step 6: Final answer
    x = 91,073.34

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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.