Home / 97,645.13-134,749.07-57,362.57

Finding the Fourth Proportional to 97,645.13, 134,749.07 and 57,362.57

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Solution

The fourth proportional to 97,645.13, 134,749.07 and 57,362.57 is: 79,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,645.13 : 134,749.07 = 57,362.57 : x
  2. Step 2: Convert to fraction form
    97,645.13/134,749.07 = 57,362.57/x
  3. Step 3: Cross multiply
    97,645.13x = 134,749.07 × 57,362.57
  4. Step 4: Simplify right side
    97,645.13x = 7,729,551,999.75
  5. Step 5: Solve for x
    x = 7,729,551,999.75/97,645.13
  6. Step 6: Final answer
    x = 79,159.63

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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.