Home / 104,062.50-143,606.68-56,315.84

Finding the Fourth Proportional to 104,062.50, 143,606.68 and 56,315.84

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Solution

The fourth proportional to 104,062.50, 143,606.68 and 56,315.84 is: 77,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.50 : 143,606.68 = 56,315.84 : x
  2. Step 2: Convert to fraction form
    104,062.50/143,606.68 = 56,315.84/x
  3. Step 3: Cross multiply
    104,062.50x = 143,606.68 × 56,315.84
  4. Step 4: Simplify right side
    104,062.50x = 8,087,330,813.81
  5. Step 5: Solve for x
    x = 8,087,330,813.81/104,062.50
  6. Step 6: Final answer
    x = 77,716.09

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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.