Home / 100,069.56-138,092.94-59,774.22

Finding the Fourth Proportional to 100,069.56, 138,092.94 and 59,774.22

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Solution

The fourth proportional to 100,069.56, 138,092.94 and 59,774.22 is: 82,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,069.56 : 138,092.94 = 59,774.22 : x
  2. Step 2: Convert to fraction form
    100,069.56/138,092.94 = 59,774.22/x
  3. Step 3: Cross multiply
    100,069.56x = 138,092.94 × 59,774.22
  4. Step 4: Simplify right side
    100,069.56x = 8,254,397,776.01
  5. Step 5: Solve for x
    x = 8,254,397,776.01/100,069.56
  6. Step 6: Final answer
    x = 82,486.60

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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.