Home / 100,726.88-151,022.16-56,384.24

Finding the Fourth Proportional to 100,726.88, 151,022.16 and 56,384.24

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Solution

The fourth proportional to 100,726.88, 151,022.16 and 56,384.24 is: 84,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,726.88 : 151,022.16 = 56,384.24 : x
  2. Step 2: Convert to fraction form
    100,726.88/151,022.16 = 56,384.24/x
  3. Step 3: Cross multiply
    100,726.88x = 151,022.16 × 56,384.24
  4. Step 4: Simplify right side
    100,726.88x = 8,515,269,714.76
  5. Step 5: Solve for x
    x = 8,515,269,714.76/100,726.88
  6. Step 6: Final answer
    x = 84,538.21

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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.