Home / 105,224.24-145,203.90-57,476.90

Finding the Fourth Proportional to 105,224.24, 145,203.90 and 57,476.90

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Solution

The fourth proportional to 105,224.24, 145,203.90 and 57,476.90 is: 79,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,224.24 : 145,203.90 = 57,476.90 : x
  2. Step 2: Convert to fraction form
    105,224.24/145,203.90 = 57,476.90/x
  3. Step 3: Cross multiply
    105,224.24x = 145,203.90 × 57,476.90
  4. Step 4: Simplify right side
    105,224.24x = 8,345,870,039.91
  5. Step 5: Solve for x
    x = 8,345,870,039.91/105,224.24
  6. Step 6: Final answer
    x = 79,315.09

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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.