Home / 90,576.55-135,888.32-34,417.63

Finding the Fourth Proportional to 90,576.55, 135,888.32 and 34,417.63

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Solution

The fourth proportional to 90,576.55, 135,888.32 and 34,417.63 is: 51,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.55 : 135,888.32 = 34,417.63 : x
  2. Step 2: Convert to fraction form
    90,576.55/135,888.32 = 34,417.63/x
  3. Step 3: Cross multiply
    90,576.55x = 135,888.32 × 34,417.63
  4. Step 4: Simplify right side
    90,576.55x = 4,676,953,919.08
  5. Step 5: Solve for x
    x = 4,676,953,919.08/90,576.55
  6. Step 6: Final answer
    x = 51,635.37

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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.