Home / 102,548.27-141,516.34-57,225.76

Finding the Fourth Proportional to 102,548.27, 141,516.34 and 57,225.76

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Solution

The fourth proportional to 102,548.27, 141,516.34 and 57,225.76 is: 78,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,548.27 : 141,516.34 = 57,225.76 : x
  2. Step 2: Convert to fraction form
    102,548.27/141,516.34 = 57,225.76/x
  3. Step 3: Cross multiply
    102,548.27x = 141,516.34 × 57,225.76
  4. Step 4: Simplify right side
    102,548.27x = 8,098,379,612.06
  5. Step 5: Solve for x
    x = 8,098,379,612.06/102,548.27
  6. Step 6: Final answer
    x = 78,971.39

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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.