Home / 73,099.22-100,877.73-42,885.05

Finding the Fourth Proportional to 73,099.22, 100,877.73 and 42,885.05

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Solution

The fourth proportional to 73,099.22, 100,877.73 and 42,885.05 is: 59,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,099.22 : 100,877.73 = 42,885.05 : x
  2. Step 2: Convert to fraction form
    73,099.22/100,877.73 = 42,885.05/x
  3. Step 3: Cross multiply
    73,099.22x = 100,877.73 × 42,885.05
  4. Step 4: Simplify right side
    73,099.22x = 4,326,145,990.55
  5. Step 5: Solve for x
    x = 4,326,145,990.55/73,099.22
  6. Step 6: Final answer
    x = 59,181.84

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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.