Home / 76,392.90-114,561.93-26,459.58

Finding the Fourth Proportional to 76,392.90, 114,561.93 and 26,459.58

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Solution

The fourth proportional to 76,392.90, 114,561.93 and 26,459.58 is: 39,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,392.90 : 114,561.93 = 26,459.58 : x
  2. Step 2: Convert to fraction form
    76,392.90/114,561.93 = 26,459.58/x
  3. Step 3: Cross multiply
    76,392.90x = 114,561.93 × 26,459.58
  4. Step 4: Simplify right side
    76,392.90x = 3,031,260,551.79
  5. Step 5: Solve for x
    x = 3,031,260,551.79/76,392.90
  6. Step 6: Final answer
    x = 39,679.87

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1.5x scale

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.