Home / 105,634.78-158,457.95-26,749.69

Finding the Fourth Proportional to 105,634.78, 158,457.95 and 26,749.69

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Solution

The fourth proportional to 105,634.78, 158,457.95 and 26,749.69 is: 40,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,634.78 : 158,457.95 = 26,749.69 : x
  2. Step 2: Convert to fraction form
    105,634.78/158,457.95 = 26,749.69/x
  3. Step 3: Cross multiply
    105,634.78x = 158,457.95 × 26,749.69
  4. Step 4: Simplify right side
    105,634.78x = 4,238,701,104.86
  5. Step 5: Solve for x
    x = 4,238,701,104.86/105,634.78
  6. Step 6: Final answer
    x = 40,126.00

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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.