Home / 65,103.85-97,655.07-49,405.32

Finding the Fourth Proportional to 65,103.85, 97,655.07 and 49,405.32

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Solution

The fourth proportional to 65,103.85, 97,655.07 and 49,405.32 is: 74,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103.85 : 97,655.07 = 49,405.32 : x
  2. Step 2: Convert to fraction form
    65,103.85/97,655.07 = 49,405.32/x
  3. Step 3: Cross multiply
    65,103.85x = 97,655.07 × 49,405.32
  4. Step 4: Simplify right side
    65,103.85x = 4,824,680,168.24
  5. Step 5: Solve for x
    x = 4,824,680,168.24/65,103.85
  6. Step 6: Final answer
    x = 74,107.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.