Home / 104,633.38-144,395.09-56,887.76

Finding the Fourth Proportional to 104,633.38, 144,395.09 and 56,887.76

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Solution

The fourth proportional to 104,633.38, 144,395.09 and 56,887.76 is: 78,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.38 : 144,395.09 = 56,887.76 : x
  2. Step 2: Convert to fraction form
    104,633.38/144,395.09 = 56,887.76/x
  3. Step 3: Cross multiply
    104,633.38x = 144,395.09 × 56,887.76
  4. Step 4: Simplify right side
    104,633.38x = 8,214,313,225.10
  5. Step 5: Solve for x
    x = 8,214,313,225.10/104,633.38
  6. Step 6: Final answer
    x = 78,505.67

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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.