Home / 105,010.92-157,464.54-38,400.84

Finding the Fourth Proportional to 105,010.92, 157,464.54 and 38,400.84

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Solution

The fourth proportional to 105,010.92, 157,464.54 and 38,400.84 is: 57,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,010.92 : 157,464.54 = 38,400.84 : x
  2. Step 2: Convert to fraction form
    105,010.92/157,464.54 = 38,400.84/x
  3. Step 3: Cross multiply
    105,010.92x = 157,464.54 × 38,400.84
  4. Step 4: Simplify right side
    105,010.92x = 6,046,770,606.21
  5. Step 5: Solve for x
    x = 6,046,770,606.21/105,010.92
  6. Step 6: Final answer
    x = 57,582.30

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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.