Home / 66,192.66-99,283.59-21,818.70

Finding the Fourth Proportional to 66,192.66, 99,283.59 and 21,818.70

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Solution

The fourth proportional to 66,192.66, 99,283.59 and 21,818.70 is: 32,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.66 : 99,283.59 = 21,818.70 : x
  2. Step 2: Convert to fraction form
    66,192.66/99,283.59 = 21,818.70/x
  3. Step 3: Cross multiply
    66,192.66x = 99,283.59 × 21,818.70
  4. Step 4: Simplify right side
    66,192.66x = 2,166,238,865.13
  5. Step 5: Solve for x
    x = 2,166,238,865.13/66,192.66
  6. Step 6: Final answer
    x = 32,726.27

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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.