Home / 102,126.07-140,929.43-59,098.67

Finding the Fourth Proportional to 102,126.07, 140,929.43 and 59,098.67

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Solution

The fourth proportional to 102,126.07, 140,929.43 and 59,098.67 is: 81,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,126.07 : 140,929.43 = 59,098.67 : x
  2. Step 2: Convert to fraction form
    102,126.07/140,929.43 = 59,098.67/x
  3. Step 3: Cross multiply
    102,126.07x = 140,929.43 × 59,098.67
  4. Step 4: Simplify right side
    102,126.07x = 8,328,741,876.86
  5. Step 5: Solve for x
    x = 8,328,741,876.86/102,126.07
  6. Step 6: Final answer
    x = 81,553.53

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1.5x scale

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.