Home / 104,420.07-144,099.83-56,673.42

Finding the Fourth Proportional to 104,420.07, 144,099.83 and 56,673.42

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Solution

The fourth proportional to 104,420.07, 144,099.83 and 56,673.42 is: 78,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.07 : 144,099.83 = 56,673.42 : x
  2. Step 2: Convert to fraction form
    104,420.07/144,099.83 = 56,673.42/x
  3. Step 3: Cross multiply
    104,420.07x = 144,099.83 × 56,673.42
  4. Step 4: Simplify right side
    104,420.07x = 8,166,630,187.52
  5. Step 5: Solve for x
    x = 8,166,630,187.52/104,420.07
  6. Step 6: Final answer
    x = 78,209.39

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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.