Home / 104,421.75-144,100.38-56,674.68

Finding the Fourth Proportional to 104,421.75, 144,100.38 and 56,674.68

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Solution

The fourth proportional to 104,421.75, 144,100.38 and 56,674.68 is: 78,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.75 : 144,100.38 = 56,674.68 : x
  2. Step 2: Convert to fraction form
    104,421.75/144,100.38 = 56,674.68/x
  3. Step 3: Cross multiply
    104,421.75x = 144,100.38 × 56,674.68
  4. Step 4: Simplify right side
    104,421.75x = 8,166,842,924.38
  5. Step 5: Solve for x
    x = 8,166,842,924.38/104,421.75
  6. Step 6: Final answer
    x = 78,210.17

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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.