Home / 65,840.13-98,815.50-61,688.25

Finding the Fourth Proportional to 65,840.13, 98,815.50 and 61,688.25

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Solution

The fourth proportional to 65,840.13, 98,815.50 and 61,688.25 is: 92,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.13 : 98,815.50 = 61,688.25 : x
  2. Step 2: Convert to fraction form
    65,840.13/98,815.50 = 61,688.25/x
  3. Step 3: Cross multiply
    65,840.13x = 98,815.50 × 61,688.25
  4. Step 4: Simplify right side
    65,840.13x = 6,095,755,267.88
  5. Step 5: Solve for x
    x = 6,095,755,267.88/65,840.13
  6. Step 6: Final answer
    x = 92,584.19

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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.