Home / 72,557.08-100,115.94-44,271.88

Finding the Fourth Proportional to 72,557.08, 100,115.94 and 44,271.88

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Solution

The fourth proportional to 72,557.08, 100,115.94 and 44,271.88 is: 61,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557.08 : 100,115.94 = 44,271.88 : x
  2. Step 2: Convert to fraction form
    72,557.08/100,115.94 = 44,271.88/x
  3. Step 3: Cross multiply
    72,557.08x = 100,115.94 × 44,271.88
  4. Step 4: Simplify right side
    72,557.08x = 4,432,320,881.77
  5. Step 5: Solve for x
    x = 4,432,320,881.77/72,557.08
  6. Step 6: Final answer
    x = 61,087.37

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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.