Home / 76,526.40-114,812.28-36,575.28

Finding the Fourth Proportional to 76,526.40, 114,812.28 and 36,575.28

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Solution

The fourth proportional to 76,526.40, 114,812.28 and 36,575.28 is: 54,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,526.40 : 114,812.28 = 36,575.28 : x
  2. Step 2: Convert to fraction form
    76,526.40/114,812.28 = 36,575.28/x
  3. Step 3: Cross multiply
    76,526.40x = 114,812.28 × 36,575.28
  4. Step 4: Simplify right side
    76,526.40x = 4,199,291,288.44
  5. Step 5: Solve for x
    x = 4,199,291,288.44/76,526.40
  6. Step 6: Final answer
    x = 54,873.76

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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.