Home / 85,574.04-128,372.16-32,998.56

Finding the Fourth Proportional to 85,574.04, 128,372.16 and 32,998.56

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Solution

The fourth proportional to 85,574.04, 128,372.16 and 32,998.56 is: 49,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,574.04 : 128,372.16 = 32,998.56 : x
  2. Step 2: Convert to fraction form
    85,574.04/128,372.16 = 32,998.56/x
  3. Step 3: Cross multiply
    85,574.04x = 128,372.16 × 32,998.56
  4. Step 4: Simplify right side
    85,574.04x = 4,236,096,424.09
  5. Step 5: Solve for x
    x = 4,236,096,424.09/85,574.04
  6. Step 6: Final answer
    x = 49,502.12

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1.5x scale

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.