Home / 54,307.86-81,355.74-25,804.25

Finding the Fourth Proportional to 54,307.86, 81,355.74 and 25,804.25

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Solution

The fourth proportional to 54,307.86, 81,355.74 and 25,804.25 is: 38,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.86 : 81,355.74 = 25,804.25 : x
  2. Step 2: Convert to fraction form
    54,307.86/81,355.74 = 25,804.25/x
  3. Step 3: Cross multiply
    54,307.86x = 81,355.74 × 25,804.25
  4. Step 4: Simplify right side
    54,307.86x = 2,099,323,655.43
  5. Step 5: Solve for x
    x = 2,099,323,655.43/54,307.86
  6. Step 6: Final answer
    x = 38,655.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.