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Finding the Fourth Proportional to 66,746.52, 92,070.12 and 44,085.54

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Solution

The fourth proportional to 66,746.52, 92,070.12 and 44,085.54 is: 60,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,746.52 : 92,070.12 = 44,085.54 : x
  2. Step 2: Convert to fraction form
    66,746.52/92,070.12 = 44,085.54/x
  3. Step 3: Cross multiply
    66,746.52x = 92,070.12 × 44,085.54
  4. Step 4: Simplify right side
    66,746.52x = 4,058,960,958.06
  5. Step 5: Solve for x
    x = 4,058,960,958.06/66,746.52
  6. Step 6: Final answer
    x = 60,811.57

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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.