Home / 74,037.65-102,171.98-41,779.09

Finding the Fourth Proportional to 74,037.65, 102,171.98 and 41,779.09

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Solution

The fourth proportional to 74,037.65, 102,171.98 and 41,779.09 is: 57,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,037.65 : 102,171.98 = 41,779.09 : x
  2. Step 2: Convert to fraction form
    74,037.65/102,171.98 = 41,779.09/x
  3. Step 3: Cross multiply
    74,037.65x = 102,171.98 × 41,779.09
  4. Step 4: Simplify right side
    74,037.65x = 4,268,652,580.06
  5. Step 5: Solve for x
    x = 4,268,652,580.06/74,037.65
  6. Step 6: Final answer
    x = 57,655.16

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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.