Home / 66,615.50-99,994.38-28,683.56

Finding the Fourth Proportional to 66,615.50, 99,994.38 and 28,683.56

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Solution

The fourth proportional to 66,615.50, 99,994.38 and 28,683.56 is: 43,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,615.50 : 99,994.38 = 28,683.56 : x
  2. Step 2: Convert to fraction form
    66,615.50/99,994.38 = 28,683.56/x
  3. Step 3: Cross multiply
    66,615.50x = 99,994.38 × 28,683.56
  4. Step 4: Simplify right side
    66,615.50x = 2,868,194,798.39
  5. Step 5: Solve for x
    x = 2,868,194,798.39/66,615.50
  6. Step 6: Final answer
    x = 43,055.97

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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.