Home / 104,859.89-157,313.19-38,299.91

Finding the Fourth Proportional to 104,859.89, 157,313.19 and 38,299.91

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Solution

The fourth proportional to 104,859.89, 157,313.19 and 38,299.91 is: 57,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,859.89 : 157,313.19 = 38,299.91 : x
  2. Step 2: Convert to fraction form
    104,859.89/157,313.19 = 38,299.91/x
  3. Step 3: Cross multiply
    104,859.89x = 157,313.19 × 38,299.91
  4. Step 4: Simplify right side
    104,859.89x = 6,025,081,487.76
  5. Step 5: Solve for x
    x = 6,025,081,487.76/104,859.89
  6. Step 6: Final answer
    x = 57,458.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.