Home / 97,647.75-134,752.68-57,365.19

Finding the Fourth Proportional to 97,647.75, 134,752.68 and 57,365.19

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Solution

The fourth proportional to 97,647.75, 134,752.68 and 57,365.19 is: 79,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,647.75 : 134,752.68 = 57,365.19 : x
  2. Step 2: Convert to fraction form
    97,647.75/134,752.68 = 57,365.19/x
  3. Step 3: Cross multiply
    97,647.75x = 134,752.68 × 57,365.19
  4. Step 4: Simplify right side
    97,647.75x = 7,730,113,091.21
  5. Step 5: Solve for x
    x = 7,730,113,091.21/97,647.75
  6. Step 6: Final answer
    x = 79,163.25

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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.