Home / 65,718.14-98,647.38-28,296.74

Finding the Fourth Proportional to 65,718.14, 98,647.38 and 28,296.74

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Solution

The fourth proportional to 65,718.14, 98,647.38 and 28,296.74 is: 42,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,718.14 : 98,647.38 = 28,296.74 : x
  2. Step 2: Convert to fraction form
    65,718.14/98,647.38 = 28,296.74/x
  3. Step 3: Cross multiply
    65,718.14x = 98,647.38 × 28,296.74
  4. Step 4: Simplify right side
    65,718.14x = 2,791,399,263.54
  5. Step 5: Solve for x
    x = 2,791,399,263.54/65,718.14
  6. Step 6: Final answer
    x = 42,475.32

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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.