Home / 66,590.40-99,898.08-22,212.96

Finding the Fourth Proportional to 66,590.40, 99,898.08 and 22,212.96

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Solution

The fourth proportional to 66,590.40, 99,898.08 and 22,212.96 is: 33,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,590.40 : 99,898.08 = 22,212.96 : x
  2. Step 2: Convert to fraction form
    66,590.40/99,898.08 = 22,212.96/x
  3. Step 3: Cross multiply
    66,590.40x = 99,898.08 × 22,212.96
  4. Step 4: Simplify right side
    66,590.40x = 2,219,032,055.12
  5. Step 5: Solve for x
    x = 2,219,032,055.12/66,590.40
  6. Step 6: Final answer
    x = 33,323.60

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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.