Home / 65,526.84-90,335.43-55,414.62

Finding the Fourth Proportional to 65,526.84, 90,335.43 and 55,414.62

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Solution

The fourth proportional to 65,526.84, 90,335.43 and 55,414.62 is: 76,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,526.84 : 90,335.43 = 55,414.62 : x
  2. Step 2: Convert to fraction form
    65,526.84/90,335.43 = 55,414.62/x
  3. Step 3: Cross multiply
    65,526.84x = 90,335.43 × 55,414.62
  4. Step 4: Simplify right side
    65,526.84x = 5,005,903,525.99
  5. Step 5: Solve for x
    x = 5,005,903,525.99/65,526.84
  6. Step 6: Final answer
    x = 76,394.70

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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.