Home / 66,367.22-99,549-28,927.26

Finding the Fourth Proportional to 66,367.22, 99,549 and 28,927.26

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Solution

The fourth proportional to 66,367.22, 99,549 and 28,927.26 is: 43,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,367.22 : 99,549 = 28,927.26 : x
  2. Step 2: Convert to fraction form
    66,367.22/99,549 = 28,927.26/x
  3. Step 3: Cross multiply
    66,367.22x = 99,549 × 28,927.26
  4. Step 4: Simplify right side
    66,367.22x = 2,879,679,805.74
  5. Step 5: Solve for x
    x = 2,879,679,805.74/66,367.22
  6. Step 6: Final answer
    x = 43,390.10

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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.