Home / 65,971.17-98,970.63-21,594.48

Finding the Fourth Proportional to 65,971.17, 98,970.63 and 21,594.48

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Solution

The fourth proportional to 65,971.17, 98,970.63 and 21,594.48 is: 32,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,971.17 : 98,970.63 = 21,594.48 : x
  2. Step 2: Convert to fraction form
    65,971.17/98,970.63 = 21,594.48/x
  3. Step 3: Cross multiply
    65,971.17x = 98,970.63 × 21,594.48
  4. Step 4: Simplify right side
    65,971.17x = 2,137,219,290.12
  5. Step 5: Solve for x
    x = 2,137,219,290.12/65,971.17
  6. Step 6: Final answer
    x = 32,396.26

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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.