Home / 99,946.89-149,920.32-26,074.89

Finding the Fourth Proportional to 99,946.89, 149,920.32 and 26,074.89

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Solution

The fourth proportional to 99,946.89, 149,920.32 and 26,074.89 is: 39,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.89 : 149,920.32 = 26,074.89 : x
  2. Step 2: Convert to fraction form
    99,946.89/149,920.32 = 26,074.89/x
  3. Step 3: Cross multiply
    99,946.89x = 149,920.32 × 26,074.89
  4. Step 4: Simplify right side
    99,946.89x = 3,909,155,852.76
  5. Step 5: Solve for x
    x = 3,909,155,852.76/99,946.89
  6. Step 6: Final answer
    x = 39,112.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.