Home / 65,066.20-97,599.30-31,807.60

Finding the Fourth Proportional to 65,066.20, 97,599.30 and 31,807.60

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Solution

The fourth proportional to 65,066.20, 97,599.30 and 31,807.60 is: 47,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,066.20 : 97,599.30 = 31,807.60 : x
  2. Step 2: Convert to fraction form
    65,066.20/97,599.30 = 31,807.60/x
  3. Step 3: Cross multiply
    65,066.20x = 97,599.30 × 31,807.60
  4. Step 4: Simplify right side
    65,066.20x = 3,104,399,494.68
  5. Step 5: Solve for x
    x = 3,104,399,494.68/65,066.20
  6. Step 6: Final answer
    x = 47,711.40

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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.