Home / 104,431.13-144,115.10-56,684.49

Finding the Fourth Proportional to 104,431.13, 144,115.10 and 56,684.49

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Solution

The fourth proportional to 104,431.13, 144,115.10 and 56,684.49 is: 78,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.13 : 144,115.10 = 56,684.49 : x
  2. Step 2: Convert to fraction form
    104,431.13/144,115.10 = 56,684.49/x
  3. Step 3: Cross multiply
    104,431.13x = 144,115.10 × 56,684.49
  4. Step 4: Simplify right side
    104,431.13x = 8,169,090,944.80
  5. Step 5: Solve for x
    x = 8,169,090,944.80/104,431.13
  6. Step 6: Final answer
    x = 78,224.67

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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.