Home / 74,059.07-102,198.98-42,238.22

Finding the Fourth Proportional to 74,059.07, 102,198.98 and 42,238.22

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Solution

The fourth proportional to 74,059.07, 102,198.98 and 42,238.22 is: 58,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.07 : 102,198.98 = 42,238.22 : x
  2. Step 2: Convert to fraction form
    74,059.07/102,198.98 = 42,238.22/x
  3. Step 3: Cross multiply
    74,059.07x = 102,198.98 × 42,238.22
  4. Step 4: Simplify right side
    74,059.07x = 4,316,702,595.62
  5. Step 5: Solve for x
    x = 4,316,702,595.62/74,059.07
  6. Step 6: Final answer
    x = 58,287.30

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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.