Home / 104,431.45-144,114.91-56,684.38

Finding the Fourth Proportional to 104,431.45, 144,114.91 and 56,684.38

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Solution

The fourth proportional to 104,431.45, 144,114.91 and 56,684.38 is: 78,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.45 : 144,114.91 = 56,684.38 : x
  2. Step 2: Convert to fraction form
    104,431.45/144,114.91 = 56,684.38/x
  3. Step 3: Cross multiply
    104,431.45x = 144,114.91 × 56,684.38
  4. Step 4: Simplify right side
    104,431.45x = 8,169,064,322.11
  5. Step 5: Solve for x
    x = 8,169,064,322.11/104,431.45
  6. Step 6: Final answer
    x = 78,224.18

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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.