Home / 97,916.79-135,123.62-57,625.77

Finding the Fourth Proportional to 97,916.79, 135,123.62 and 57,625.77

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Solution

The fourth proportional to 97,916.79, 135,123.62 and 57,625.77 is: 79,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,916.79 : 135,123.62 = 57,625.77 : x
  2. Step 2: Convert to fraction form
    97,916.79/135,123.62 = 57,625.77/x
  3. Step 3: Cross multiply
    97,916.79x = 135,123.62 × 57,625.77
  4. Step 4: Simplify right side
    97,916.79x = 7,786,602,359.56
  5. Step 5: Solve for x
    x = 7,786,602,359.56/97,916.79
  6. Step 6: Final answer
    x = 79,522.65

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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.