Home / 97,352.15-134,406.78-74,647.52

Finding the Fourth Proportional to 97,352.15, 134,406.78 and 74,647.52

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Solution

The fourth proportional to 97,352.15, 134,406.78 and 74,647.52 is: 103,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,352.15 : 134,406.78 = 74,647.52 : x
  2. Step 2: Convert to fraction form
    97,352.15/134,406.78 = 74,647.52/x
  3. Step 3: Cross multiply
    97,352.15x = 134,406.78 × 74,647.52
  4. Step 4: Simplify right side
    97,352.15x = 10,033,132,126.15
  5. Step 5: Solve for x
    x = 10,033,132,126.15/97,352.15
  6. Step 6: Final answer
    x = 103,060.21

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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.