Home / 65,719.20-98,724.60-63,062.40

Finding the Fourth Proportional to 65,719.20, 98,724.60 and 63,062.40

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Solution

The fourth proportional to 65,719.20, 98,724.60 and 63,062.40 is: 94,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719.20 : 98,724.60 = 63,062.40 : x
  2. Step 2: Convert to fraction form
    65,719.20/98,724.60 = 63,062.40/x
  3. Step 3: Cross multiply
    65,719.20x = 98,724.60 × 63,062.40
  4. Step 4: Simplify right side
    65,719.20x = 6,225,810,215.04
  5. Step 5: Solve for x
    x = 6,225,810,215.04/65,719.20
  6. Step 6: Final answer
    x = 94,733.51

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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.