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Finding the Fourth Proportional to 80,702.64, 111,364.20 and 44,890.20

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Solution

The fourth proportional to 80,702.64, 111,364.20 and 44,890.20 is: 61,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702.64 : 111,364.20 = 44,890.20 : x
  2. Step 2: Convert to fraction form
    80,702.64/111,364.20 = 44,890.20/x
  3. Step 3: Cross multiply
    80,702.64x = 111,364.20 × 44,890.20
  4. Step 4: Simplify right side
    80,702.64x = 4,999,161,210.84
  5. Step 5: Solve for x
    x = 4,999,161,210.84/80,702.64
  6. Step 6: Final answer
    x = 61,945.45

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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.