Home / 72,838.32-100,518.72-41,008.32

Finding the Fourth Proportional to 72,838.32, 100,518.72 and 41,008.32

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Solution

The fourth proportional to 72,838.32, 100,518.72 and 41,008.32 is: 56,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,838.32 : 100,518.72 = 41,008.32 : x
  2. Step 2: Convert to fraction form
    72,838.32/100,518.72 = 41,008.32/x
  3. Step 3: Cross multiply
    72,838.32x = 100,518.72 × 41,008.32
  4. Step 4: Simplify right side
    72,838.32x = 4,122,103,835.75
  5. Step 5: Solve for x
    x = 4,122,103,835.75/72,838.32
  6. Step 6: Final answer
    x = 56,592.52

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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.