Home / 66,305.08-99,457.44-19,590.76

Finding the Fourth Proportional to 66,305.08, 99,457.44 and 19,590.76

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Solution

The fourth proportional to 66,305.08, 99,457.44 and 19,590.76 is: 29,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305.08 : 99,457.44 = 19,590.76 : x
  2. Step 2: Convert to fraction form
    66,305.08/99,457.44 = 19,590.76/x
  3. Step 3: Cross multiply
    66,305.08x = 99,457.44 × 19,590.76
  4. Step 4: Simplify right side
    66,305.08x = 1,948,446,837.25
  5. Step 5: Solve for x
    x = 1,948,446,837.25/66,305.08
  6. Step 6: Final answer
    x = 29,386.09

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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.