Home / 104,173.24-143,759.01-56,426.47

Finding the Fourth Proportional to 104,173.24, 143,759.01 and 56,426.47

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Solution

The fourth proportional to 104,173.24, 143,759.01 and 56,426.47 is: 77,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173.24 : 143,759.01 = 56,426.47 : x
  2. Step 2: Convert to fraction form
    104,173.24/143,759.01 = 56,426.47/x
  3. Step 3: Cross multiply
    104,173.24x = 143,759.01 × 56,426.47
  4. Step 4: Simplify right side
    104,173.24x = 8,111,813,464.99
  5. Step 5: Solve for x
    x = 8,111,813,464.99/104,173.24
  6. Step 6: Final answer
    x = 77,868.50

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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.