Home / 56,997.04-78,683.58-40,037.32

Finding the Fourth Proportional to 56,997.04, 78,683.58 and 40,037.32

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Solution

The fourth proportional to 56,997.04, 78,683.58 and 40,037.32 is: 55,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.04 : 78,683.58 = 40,037.32 : x
  2. Step 2: Convert to fraction form
    56,997.04/78,683.58 = 40,037.32/x
  3. Step 3: Cross multiply
    56,997.04x = 78,683.58 × 40,037.32
  4. Step 4: Simplify right side
    56,997.04x = 3,150,279,671.21
  5. Step 5: Solve for x
    x = 3,150,279,671.21/56,997.04
  6. Step 6: Final answer
    x = 55,270.93

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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.