Home / 72,818.02-100,519.84-48,958.53

Finding the Fourth Proportional to 72,818.02, 100,519.84 and 48,958.53

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Solution

The fourth proportional to 72,818.02, 100,519.84 and 48,958.53 is: 67,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,818.02 : 100,519.84 = 48,958.53 : x
  2. Step 2: Convert to fraction form
    72,818.02/100,519.84 = 48,958.53/x
  3. Step 3: Cross multiply
    72,818.02x = 100,519.84 × 48,958.53
  4. Step 4: Simplify right side
    72,818.02x = 4,921,303,099.64
  5. Step 5: Solve for x
    x = 4,921,303,099.64/72,818.02
  6. Step 6: Final answer
    x = 67,583.59

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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.