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Finding the Fourth Proportional to 66,702.40, 100,003.68 and 22,303.36

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Solution

The fourth proportional to 66,702.40, 100,003.68 and 22,303.36 is: 33,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,702.40 : 100,003.68 = 22,303.36 : x
  2. Step 2: Convert to fraction form
    66,702.40/100,003.68 = 22,303.36/x
  3. Step 3: Cross multiply
    66,702.40x = 100,003.68 × 22,303.36
  4. Step 4: Simplify right side
    66,702.40x = 2,230,418,076.36
  5. Step 5: Solve for x
    x = 2,230,418,076.36/66,702.40
  6. Step 6: Final answer
    x = 33,438.35

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1.5x scale

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.