Home / 65,580.03-98,357.49-21,196.08

Finding the Fourth Proportional to 65,580.03, 98,357.49 and 21,196.08

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Solution

The fourth proportional to 65,580.03, 98,357.49 and 21,196.08 is: 31,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,580.03 : 98,357.49 = 21,196.08 : x
  2. Step 2: Convert to fraction form
    65,580.03/98,357.49 = 21,196.08/x
  3. Step 3: Cross multiply
    65,580.03x = 98,357.49 × 21,196.08
  4. Step 4: Simplify right side
    65,580.03x = 2,084,793,226.64
  5. Step 5: Solve for x
    x = 2,084,793,226.64/65,580.03
  6. Step 6: Final answer
    x = 31,790.06

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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.