Home / 65,539.53-90,448.25-49,596.30

Finding the Fourth Proportional to 65,539.53, 90,448.25 and 49,596.30

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Solution

The fourth proportional to 65,539.53, 90,448.25 and 49,596.30 is: 68,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,539.53 : 90,448.25 = 49,596.30 : x
  2. Step 2: Convert to fraction form
    65,539.53/90,448.25 = 49,596.30/x
  3. Step 3: Cross multiply
    65,539.53x = 90,448.25 × 49,596.30
  4. Step 4: Simplify right side
    65,539.53x = 4,485,898,293.49
  5. Step 5: Solve for x
    x = 4,485,898,293.49/65,539.53
  6. Step 6: Final answer
    x = 68,445.69

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1.5x scale

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.