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Finding the Fourth Proportional to 97,353.94, 134,348.43 and 52,641.94

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Solution

The fourth proportional to 97,353.94, 134,348.43 and 52,641.94 is: 72,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,353.94 : 134,348.43 = 52,641.94 : x
  2. Step 2: Convert to fraction form
    97,353.94/134,348.43 = 52,641.94/x
  3. Step 3: Cross multiply
    97,353.94x = 134,348.43 × 52,641.94
  4. Step 4: Simplify right side
    97,353.94x = 7,072,361,852.69
  5. Step 5: Solve for x
    x = 7,072,361,852.69/97,353.94
  6. Step 6: Final answer
    x = 72,645.87

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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.