Home / 66,216.94-91,379.07-39,008.83

Finding the Fourth Proportional to 66,216.94, 91,379.07 and 39,008.83

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Solution

The fourth proportional to 66,216.94, 91,379.07 and 39,008.83 is: 53,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216.94 : 91,379.07 = 39,008.83 : x
  2. Step 2: Convert to fraction form
    66,216.94/91,379.07 = 39,008.83/x
  3. Step 3: Cross multiply
    66,216.94x = 91,379.07 × 39,008.83
  4. Step 4: Simplify right side
    66,216.94x = 3,564,590,607.19
  5. Step 5: Solve for x
    x = 3,564,590,607.19/66,216.94
  6. Step 6: Final answer
    x = 53,832.00

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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.