Home / 91,718.08-137,554.02-35,538.88

Finding the Fourth Proportional to 91,718.08, 137,554.02 and 35,538.88

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Solution

The fourth proportional to 91,718.08, 137,554.02 and 35,538.88 is: 53,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718.08 : 137,554.02 = 35,538.88 : x
  2. Step 2: Convert to fraction form
    91,718.08/137,554.02 = 35,538.88/x
  3. Step 3: Cross multiply
    91,718.08x = 137,554.02 × 35,538.88
  4. Step 4: Simplify right side
    91,718.08x = 4,888,515,810.30
  5. Step 5: Solve for x
    x = 4,888,515,810.30/91,718.08
  6. Step 6: Final answer
    x = 53,299.37

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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.