Home / 65,987.14-91,038.26-43,338.32

Finding the Fourth Proportional to 65,987.14, 91,038.26 and 43,338.32

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Solution

The fourth proportional to 65,987.14, 91,038.26 and 43,338.32 is: 59,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,987.14 : 91,038.26 = 43,338.32 : x
  2. Step 2: Convert to fraction form
    65,987.14/91,038.26 = 43,338.32/x
  3. Step 3: Cross multiply
    65,987.14x = 91,038.26 × 43,338.32
  4. Step 4: Simplify right side
    65,987.14x = 3,945,445,244.12
  5. Step 5: Solve for x
    x = 3,945,445,244.12/65,987.14
  6. Step 6: Final answer
    x = 59,791.12

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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.