Home / 97,916.30-135,123.33-54,895.58

Finding the Fourth Proportional to 97,916.30, 135,123.33 and 54,895.58

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Solution

The fourth proportional to 97,916.30, 135,123.33 and 54,895.58 is: 75,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,916.30 : 135,123.33 = 54,895.58 : x
  2. Step 2: Convert to fraction form
    97,916.30/135,123.33 = 54,895.58/x
  3. Step 3: Cross multiply
    97,916.30x = 135,123.33 × 54,895.58
  4. Step 4: Simplify right side
    97,916.30x = 7,417,672,896.26
  5. Step 5: Solve for x
    x = 7,417,672,896.26/97,916.30
  6. Step 6: Final answer
    x = 75,755.24

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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.