Home / 93,113.21-128,498.91-50,674.43

Finding the Fourth Proportional to 93,113.21, 128,498.91 and 50,674.43

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Solution

The fourth proportional to 93,113.21, 128,498.91 and 50,674.43 is: 69,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,113.21 : 128,498.91 = 50,674.43 : x
  2. Step 2: Convert to fraction form
    93,113.21/128,498.91 = 50,674.43/x
  3. Step 3: Cross multiply
    93,113.21x = 128,498.91 × 50,674.43
  4. Step 4: Simplify right side
    93,113.21x = 6,511,609,019.87
  5. Step 5: Solve for x
    x = 6,511,609,019.87/93,113.21
  6. Step 6: Final answer
    x = 69,932.17

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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.