Home / 104,637.96-144,401.94-56,891.34

Finding the Fourth Proportional to 104,637.96, 144,401.94 and 56,891.34

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Solution

The fourth proportional to 104,637.96, 144,401.94 and 56,891.34 is: 78,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.96 : 144,401.94 = 56,891.34 : x
  2. Step 2: Convert to fraction form
    104,637.96/144,401.94 = 56,891.34/x
  3. Step 3: Cross multiply
    104,637.96x = 144,401.94 × 56,891.34
  4. Step 4: Simplify right side
    104,637.96x = 8,215,219,865.20
  5. Step 5: Solve for x
    x = 8,215,219,865.20/104,637.96
  6. Step 6: Final answer
    x = 78,510.89

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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.