Home / 66,522.66-99,800.55-19,774.26

Finding the Fourth Proportional to 66,522.66, 99,800.55 and 19,774.26

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Solution

The fourth proportional to 66,522.66, 99,800.55 and 19,774.26 is: 29,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.66 : 99,800.55 = 19,774.26 : x
  2. Step 2: Convert to fraction form
    66,522.66/99,800.55 = 19,774.26/x
  3. Step 3: Cross multiply
    66,522.66x = 99,800.55 × 19,774.26
  4. Step 4: Simplify right side
    66,522.66x = 1,973,482,023.84
  5. Step 5: Solve for x
    x = 1,973,482,023.84/66,522.66
  6. Step 6: Final answer
    x = 29,666.31

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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.