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Finding the Fourth Proportional to 66,739.55, 92,060.55 and 44,078.58

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Solution

The fourth proportional to 66,739.55, 92,060.55 and 44,078.58 is: 60,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.55 : 92,060.55 = 44,078.58 : x
  2. Step 2: Convert to fraction form
    66,739.55/92,060.55 = 44,078.58/x
  3. Step 3: Cross multiply
    66,739.55x = 92,060.55 × 44,078.58
  4. Step 4: Simplify right side
    66,739.55x = 4,057,898,318.02
  5. Step 5: Solve for x
    x = 4,057,898,318.02/66,739.55
  6. Step 6: Final answer
    x = 60,802.01

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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.