Home / 104,545.90-144,272.58-56,799.64

Finding the Fourth Proportional to 104,545.90, 144,272.58 and 56,799.64

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Solution

The fourth proportional to 104,545.90, 144,272.58 and 56,799.64 is: 78,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,545.90 : 144,272.58 = 56,799.64 : x
  2. Step 2: Convert to fraction form
    104,545.90/144,272.58 = 56,799.64/x
  3. Step 3: Cross multiply
    104,545.90x = 144,272.58 × 56,799.64
  4. Step 4: Simplify right side
    104,545.90x = 8,194,630,605.87
  5. Step 5: Solve for x
    x = 8,194,630,605.87/104,545.90
  6. Step 6: Final answer
    x = 78,383.09

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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.