Home / 102,901.07-141,958.41-60,440.46

Finding the Fourth Proportional to 102,901.07, 141,958.41 and 60,440.46

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Solution

The fourth proportional to 102,901.07, 141,958.41 and 60,440.46 is: 83,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,901.07 : 141,958.41 = 60,440.46 : x
  2. Step 2: Convert to fraction form
    102,901.07/141,958.41 = 60,440.46/x
  3. Step 3: Cross multiply
    102,901.07x = 141,958.41 × 60,440.46
  4. Step 4: Simplify right side
    102,901.07x = 8,580,031,601.27
  5. Step 5: Solve for x
    x = 8,580,031,601.27/102,901.07
  6. Step 6: Final answer
    x = 83,381.37

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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.