Home / 104,004.59-143,526.21-56,257.79

Finding the Fourth Proportional to 104,004.59, 143,526.21 and 56,257.79

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Solution

The fourth proportional to 104,004.59, 143,526.21 and 56,257.79 is: 77,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,004.59 : 143,526.21 = 56,257.79 : x
  2. Step 2: Convert to fraction form
    104,004.59/143,526.21 = 56,257.79/x
  3. Step 3: Cross multiply
    104,004.59x = 143,526.21 × 56,257.79
  4. Step 4: Simplify right side
    104,004.59x = 8,074,467,381.68
  5. Step 5: Solve for x
    x = 8,074,467,381.68/104,004.59
  6. Step 6: Final answer
    x = 77,635.68

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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.