Home / 104,424.13-144,105.43-56,677.49

Finding the Fourth Proportional to 104,424.13, 144,105.43 and 56,677.49

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Solution

The fourth proportional to 104,424.13, 144,105.43 and 56,677.49 is: 78,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.13 : 144,105.43 = 56,677.49 : x
  2. Step 2: Convert to fraction form
    104,424.13/144,105.43 = 56,677.49/x
  3. Step 3: Cross multiply
    104,424.13x = 144,105.43 × 56,677.49
  4. Step 4: Simplify right side
    104,424.13x = 8,167,533,205.55
  5. Step 5: Solve for x
    x = 8,167,533,205.55/104,424.13
  6. Step 6: Final answer
    x = 78,215.00

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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.