Home / 72,889.12-100,596.64-41,064.32

Finding the Fourth Proportional to 72,889.12, 100,596.64 and 41,064.32

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Solution

The fourth proportional to 72,889.12, 100,596.64 and 41,064.32 is: 56,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,889.12 : 100,596.64 = 41,064.32 : x
  2. Step 2: Convert to fraction form
    72,889.12/100,596.64 = 41,064.32/x
  3. Step 3: Cross multiply
    72,889.12x = 100,596.64 × 41,064.32
  4. Step 4: Simplify right side
    72,889.12x = 4,130,932,615.88
  5. Step 5: Solve for x
    x = 4,130,932,615.88/72,889.12
  6. Step 6: Final answer
    x = 56,674.20

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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.