Home / 65,187.58-89,961-36,892.66

Finding the Fourth Proportional to 65,187.58, 89,961 and 36,892.66

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Solution

The fourth proportional to 65,187.58, 89,961 and 36,892.66 is: 50,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187.58 : 89,961 = 36,892.66 : x
  2. Step 2: Convert to fraction form
    65,187.58/89,961 = 36,892.66/x
  3. Step 3: Cross multiply
    65,187.58x = 89,961 × 36,892.66
  4. Step 4: Simplify right side
    65,187.58x = 3,318,900,586.26
  5. Step 5: Solve for x
    x = 3,318,900,586.26/65,187.58
  6. Step 6: Final answer
    x = 50,913.08

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1.5x scale

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.