Home / 104,420.41-144,099.30-56,673.78

Finding the Fourth Proportional to 104,420.41, 144,099.30 and 56,673.78

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Solution

The fourth proportional to 104,420.41, 144,099.30 and 56,673.78 is: 78,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.41 : 144,099.30 = 56,673.78 : x
  2. Step 2: Convert to fraction form
    104,420.41/144,099.30 = 56,673.78/x
  3. Step 3: Cross multiply
    104,420.41x = 144,099.30 × 56,673.78
  4. Step 4: Simplify right side
    104,420.41x = 8,166,651,698.51
  5. Step 5: Solve for x
    x = 8,166,651,698.51/104,420.41
  6. Step 6: Final answer
    x = 78,209.35

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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.