Home / 65,823.60-98,758.44-19,079.28

Finding the Fourth Proportional to 65,823.60, 98,758.44 and 19,079.28

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Solution

The fourth proportional to 65,823.60, 98,758.44 and 19,079.28 is: 28,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,823.60 : 98,758.44 = 19,079.28 : x
  2. Step 2: Convert to fraction form
    65,823.60/98,758.44 = 19,079.28/x
  3. Step 3: Cross multiply
    65,823.60x = 98,758.44 × 19,079.28
  4. Step 4: Simplify right side
    65,823.60x = 1,884,239,929.12
  5. Step 5: Solve for x
    x = 1,884,239,929.12/65,823.60
  6. Step 6: Final answer
    x = 28,625.60

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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.