Home / 93,110.46-128,486.84-52,271.56

Finding the Fourth Proportional to 93,110.46, 128,486.84 and 52,271.56

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Solution

The fourth proportional to 93,110.46, 128,486.84 and 52,271.56 is: 72,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,110.46 : 128,486.84 = 52,271.56 : x
  2. Step 2: Convert to fraction form
    93,110.46/128,486.84 = 52,271.56/x
  3. Step 3: Cross multiply
    93,110.46x = 128,486.84 × 52,271.56
  4. Step 4: Simplify right side
    93,110.46x = 6,716,207,566.27
  5. Step 5: Solve for x
    x = 6,716,207,566.27/93,110.46
  6. Step 6: Final answer
    x = 72,131.61

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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.