Home / 76,392.40-114,561.16-26,459.04

Finding the Fourth Proportional to 76,392.40, 114,561.16 and 26,459.04

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Solution

The fourth proportional to 76,392.40, 114,561.16 and 26,459.04 is: 39,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,392.40 : 114,561.16 = 26,459.04 : x
  2. Step 2: Convert to fraction form
    76,392.40/114,561.16 = 26,459.04/x
  3. Step 3: Cross multiply
    76,392.40x = 114,561.16 × 26,459.04
  4. Step 4: Simplify right side
    76,392.40x = 3,031,178,314.89
  5. Step 5: Solve for x
    x = 3,031,178,314.89/76,392.40
  6. Step 6: Final answer
    x = 39,679.06

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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.