Home / 90,216.72-124,519.68-52,496.64

Finding the Fourth Proportional to 90,216.72, 124,519.68 and 52,496.64

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Solution

The fourth proportional to 90,216.72, 124,519.68 and 52,496.64 is: 72,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,216.72 : 124,519.68 = 52,496.64 : x
  2. Step 2: Convert to fraction form
    90,216.72/124,519.68 = 52,496.64/x
  3. Step 3: Cross multiply
    90,216.72x = 124,519.68 × 52,496.64
  4. Step 4: Simplify right side
    90,216.72x = 6,536,864,813.88
  5. Step 5: Solve for x
    x = 6,536,864,813.88/90,216.72
  6. Step 6: Final answer
    x = 72,457.35

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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.