Home / 97,966.78-135,196.95-59,728.54

Finding the Fourth Proportional to 97,966.78, 135,196.95 and 59,728.54

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Solution

The fourth proportional to 97,966.78, 135,196.95 and 59,728.54 is: 82,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,966.78 : 135,196.95 = 59,728.54 : x
  2. Step 2: Convert to fraction form
    97,966.78/135,196.95 = 59,728.54/x
  3. Step 3: Cross multiply
    97,966.78x = 135,196.95 × 59,728.54
  4. Step 4: Simplify right side
    97,966.78x = 8,075,116,435.95
  5. Step 5: Solve for x
    x = 8,075,116,435.95/97,966.78
  6. Step 6: Final answer
    x = 82,427.09

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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.