Home / 104,415.21-144,088.07-56,668.14

Finding the Fourth Proportional to 104,415.21, 144,088.07 and 56,668.14

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Solution

The fourth proportional to 104,415.21, 144,088.07 and 56,668.14 is: 78,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.21 : 144,088.07 = 56,668.14 : x
  2. Step 2: Convert to fraction form
    104,415.21/144,088.07 = 56,668.14/x
  3. Step 3: Cross multiply
    104,415.21x = 144,088.07 × 56,668.14
  4. Step 4: Simplify right side
    104,415.21x = 8,165,202,639.75
  5. Step 5: Solve for x
    x = 8,165,202,639.75/104,415.21
  6. Step 6: Final answer
    x = 78,199.36

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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.