Home / 90,311.66-134,918.23-58,462.26

Finding the Fourth Proportional to 90,311.66, 134,918.23 and 58,462.26

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Solution

The fourth proportional to 90,311.66, 134,918.23 and 58,462.26 is: 87,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,311.66 : 134,918.23 = 58,462.26 : x
  2. Step 2: Convert to fraction form
    90,311.66/134,918.23 = 58,462.26/x
  3. Step 3: Cross multiply
    90,311.66x = 134,918.23 × 58,462.26
  4. Step 4: Simplify right side
    90,311.66x = 7,887,624,857.43
  5. Step 5: Solve for x
    x = 7,887,624,857.43/90,311.66
  6. Step 6: Final answer
    x = 87,337.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.