Home / 56,847.25-78,448.11-31,355.92

Finding the Fourth Proportional to 56,847.25, 78,448.11 and 31,355.92

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Solution

The fourth proportional to 56,847.25, 78,448.11 and 31,355.92 is: 43,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,847.25 : 78,448.11 = 31,355.92 : x
  2. Step 2: Convert to fraction form
    56,847.25/78,448.11 = 31,355.92/x
  3. Step 3: Cross multiply
    56,847.25x = 78,448.11 × 31,355.92
  4. Step 4: Simplify right side
    56,847.25x = 2,459,812,661.31
  5. Step 5: Solve for x
    x = 2,459,812,661.31/56,847.25
  6. Step 6: Final answer
    x = 43,270.57

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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.