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Finding the Fourth Proportional to 97,482.53, 134,526.81 and 57,196.97

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Solution

The fourth proportional to 97,482.53, 134,526.81 and 57,196.97 is: 78,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,482.53 : 134,526.81 = 57,196.97 : x
  2. Step 2: Convert to fraction form
    97,482.53/134,526.81 = 57,196.97/x
  3. Step 3: Cross multiply
    97,482.53x = 134,526.81 × 57,196.97
  4. Step 4: Simplify right side
    97,482.53x = 7,694,525,915.77
  5. Step 5: Solve for x
    x = 7,694,525,915.77/97,482.53
  6. Step 6: Final answer
    x = 78,932.36

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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.