Home / 65,098.02-97,647.84-20,724.60

Finding the Fourth Proportional to 65,098.02, 97,647.84 and 20,724.60

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Solution

The fourth proportional to 65,098.02, 97,647.84 and 20,724.60 is: 31,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,098.02 : 97,647.84 = 20,724.60 : x
  2. Step 2: Convert to fraction form
    65,098.02/97,647.84 = 20,724.60/x
  3. Step 3: Cross multiply
    65,098.02x = 97,647.84 × 20,724.60
  4. Step 4: Simplify right side
    65,098.02x = 2,023,712,424.86
  5. Step 5: Solve for x
    x = 2,023,712,424.86/65,098.02
  6. Step 6: Final answer
    x = 31,087.16

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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.