Home / 66,614.27-91,925.00-39,407.99

Finding the Fourth Proportional to 66,614.27, 91,925.00 and 39,407.99

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Solution

The fourth proportional to 66,614.27, 91,925.00 and 39,407.99 is: 54,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,614.27 : 91,925.00 = 39,407.99 : x
  2. Step 2: Convert to fraction form
    66,614.27/91,925.00 = 39,407.99/x
  3. Step 3: Cross multiply
    66,614.27x = 91,925.00 × 39,407.99
  4. Step 4: Simplify right side
    66,614.27x = 3,622,579,858.32
  5. Step 5: Solve for x
    x = 3,622,579,858.32/66,614.27
  6. Step 6: Final answer
    x = 54,381.44

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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.