Home / 142,060.77-213,035.49-53,265.87

Finding the Fourth Proportional to 142,060.77, 213,035.49 and 53,265.87

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Solution

The fourth proportional to 142,060.77, 213,035.49 and 53,265.87 is: 79,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,060.77 : 213,035.49 = 53,265.87 : x
  2. Step 2: Convert to fraction form
    142,060.77/213,035.49 = 53,265.87/x
  3. Step 3: Cross multiply
    142,060.77x = 213,035.49 × 53,265.87
  4. Step 4: Simplify right side
    142,060.77x = 11,347,520,715.73
  5. Step 5: Solve for x
    x = 11,347,520,715.73/142,060.77
  6. Step 6: Final answer
    x = 79,877.93

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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.