Home / 65,932.20-98,828.58-21,547.02

Finding the Fourth Proportional to 65,932.20, 98,828.58 and 21,547.02

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Solution

The fourth proportional to 65,932.20, 98,828.58 and 21,547.02 is: 32,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.20 : 98,828.58 = 21,547.02 : x
  2. Step 2: Convert to fraction form
    65,932.20/98,828.58 = 21,547.02/x
  3. Step 3: Cross multiply
    65,932.20x = 98,828.58 × 21,547.02
  4. Step 4: Simplify right side
    65,932.20x = 2,129,461,389.83
  5. Step 5: Solve for x
    x = 2,129,461,389.83/65,932.20
  6. Step 6: Final answer
    x = 32,297.75

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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.