Home / 65,742.50-90,724.66-37,464.60

Finding the Fourth Proportional to 65,742.50, 90,724.66 and 37,464.60

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Solution

The fourth proportional to 65,742.50, 90,724.66 and 37,464.60 is: 51,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,742.50 : 90,724.66 = 37,464.60 : x
  2. Step 2: Convert to fraction form
    65,742.50/90,724.66 = 37,464.60/x
  3. Step 3: Cross multiply
    65,742.50x = 90,724.66 × 37,464.60
  4. Step 4: Simplify right side
    65,742.50x = 3,398,963,097.04
  5. Step 5: Solve for x
    x = 3,398,963,097.04/65,742.50
  6. Step 6: Final answer
    x = 51,701.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.