Home / 65,891.41-98,852.74-21,518.08

Finding the Fourth Proportional to 65,891.41, 98,852.74 and 21,518.08

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Solution

The fourth proportional to 65,891.41, 98,852.74 and 21,518.08 is: 32,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.41 : 98,852.74 = 21,518.08 : x
  2. Step 2: Convert to fraction form
    65,891.41/98,852.74 = 21,518.08/x
  3. Step 3: Cross multiply
    65,891.41x = 98,852.74 × 21,518.08
  4. Step 4: Simplify right side
    65,891.41x = 2,127,120,866.61
  5. Step 5: Solve for x
    x = 2,127,120,866.61/65,891.41
  6. Step 6: Final answer
    x = 32,282.22

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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.