Home / 93,131.83-128,522.46-50,690.26

Finding the Fourth Proportional to 93,131.83, 128,522.46 and 50,690.26

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Solution

The fourth proportional to 93,131.83, 128,522.46 and 50,690.26 is: 69,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,131.83 : 128,522.46 = 50,690.26 : x
  2. Step 2: Convert to fraction form
    93,131.83/128,522.46 = 50,690.26/x
  3. Step 3: Cross multiply
    93,131.83x = 128,522.46 × 50,690.26
  4. Step 4: Simplify right side
    93,131.83x = 6,514,836,913.24
  5. Step 5: Solve for x
    x = 6,514,836,913.24/93,131.83
  6. Step 6: Final answer
    x = 69,952.85

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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.