Home / 98,096.10-135,371.32-57,811.56

Finding the Fourth Proportional to 98,096.10, 135,371.32 and 57,811.56

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Solution

The fourth proportional to 98,096.10, 135,371.32 and 57,811.56 is: 79,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,096.10 : 135,371.32 = 57,811.56 : x
  2. Step 2: Convert to fraction form
    98,096.10/135,371.32 = 57,811.56/x
  3. Step 3: Cross multiply
    98,096.10x = 135,371.32 × 57,811.56
  4. Step 4: Simplify right side
    98,096.10x = 7,826,027,188.46
  5. Step 5: Solve for x
    x = 7,826,027,188.46/98,096.10
  6. Step 6: Final answer
    x = 79,779.19

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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.