Home / 89,071.45-122,913.35-48,777.19

Finding the Fourth Proportional to 89,071.45, 122,913.35 and 48,777.19

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Solution

The fourth proportional to 89,071.45, 122,913.35 and 48,777.19 is: 67,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.45 : 122,913.35 = 48,777.19 : x
  2. Step 2: Convert to fraction form
    89,071.45/122,913.35 = 48,777.19/x
  3. Step 3: Cross multiply
    89,071.45x = 122,913.35 × 48,777.19
  4. Step 4: Simplify right side
    89,071.45x = 5,995,367,458.23
  5. Step 5: Solve for x
    x = 5,995,367,458.23/89,071.45
  6. Step 6: Final answer
    x = 67,309.64

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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.