Home / 104,420.84-144,100.89-56,674.18

Finding the Fourth Proportional to 104,420.84, 144,100.89 and 56,674.18

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Solution

The fourth proportional to 104,420.84, 144,100.89 and 56,674.18 is: 78,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.84 : 144,100.89 = 56,674.18 : x
  2. Step 2: Convert to fraction form
    104,420.84/144,100.89 = 56,674.18/x
  3. Step 3: Cross multiply
    104,420.84x = 144,100.89 × 56,674.18
  4. Step 4: Simplify right side
    104,420.84x = 8,166,799,778.02
  5. Step 5: Solve for x
    x = 8,166,799,778.02/104,420.84
  6. Step 6: Final answer
    x = 78,210.44

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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.