Home / 112,996.56-155,935.23-64,599.54

Finding the Fourth Proportional to 112,996.56, 155,935.23 and 64,599.54

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Solution

The fourth proportional to 112,996.56, 155,935.23 and 64,599.54 is: 89,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,996.56 : 155,935.23 = 64,599.54 : x
  2. Step 2: Convert to fraction form
    112,996.56/155,935.23 = 64,599.54/x
  3. Step 3: Cross multiply
    112,996.56x = 155,935.23 × 64,599.54
  4. Step 4: Simplify right side
    112,996.56x = 10,073,344,127.79
  5. Step 5: Solve for x
    x = 10,073,344,127.79/112,996.56
  6. Step 6: Final answer
    x = 89,147.35

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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.