Home / 102,821.14-141,885.36-62,529.34

Finding the Fourth Proportional to 102,821.14, 141,885.36 and 62,529.34

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Solution

The fourth proportional to 102,821.14, 141,885.36 and 62,529.34 is: 86,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,821.14 : 141,885.36 = 62,529.34 : x
  2. Step 2: Convert to fraction form
    102,821.14/141,885.36 = 62,529.34/x
  3. Step 3: Cross multiply
    102,821.14x = 141,885.36 × 62,529.34
  4. Step 4: Simplify right side
    102,821.14x = 8,871,997,916.46
  5. Step 5: Solve for x
    x = 8,871,997,916.46/102,821.14
  6. Step 6: Final answer
    x = 86,285.74

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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.