Home / 65,827.01-98,730.27-21,453.47

Finding the Fourth Proportional to 65,827.01, 98,730.27 and 21,453.47

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Solution

The fourth proportional to 65,827.01, 98,730.27 and 21,453.47 is: 32,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.01 : 98,730.27 = 21,453.47 : x
  2. Step 2: Convert to fraction form
    65,827.01/98,730.27 = 21,453.47/x
  3. Step 3: Cross multiply
    65,827.01x = 98,730.27 × 21,453.47
  4. Step 4: Simplify right side
    65,827.01x = 2,118,106,391.89
  5. Step 5: Solve for x
    x = 2,118,106,391.89/65,827.01
  6. Step 6: Final answer
    x = 32,176.86

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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.