Home / 76,056.44-104,966.69-45,857.21

Finding the Fourth Proportional to 76,056.44, 104,966.69 and 45,857.21

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Solution

The fourth proportional to 76,056.44, 104,966.69 and 45,857.21 is: 63,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,056.44 : 104,966.69 = 45,857.21 : x
  2. Step 2: Convert to fraction form
    76,056.44/104,966.69 = 45,857.21/x
  3. Step 3: Cross multiply
    76,056.44x = 104,966.69 × 45,857.21
  4. Step 4: Simplify right side
    76,056.44x = 4,813,478,792.22
  5. Step 5: Solve for x
    x = 4,813,478,792.22/76,056.44
  6. Step 6: Final answer
    x = 63,288.25

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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.