Home / 74,415.06-102,666.96-47,573.28

Finding the Fourth Proportional to 74,415.06, 102,666.96 and 47,573.28

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Solution

The fourth proportional to 74,415.06, 102,666.96 and 47,573.28 is: 65,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415.06 : 102,666.96 = 47,573.28 : x
  2. Step 2: Convert to fraction form
    74,415.06/102,666.96 = 47,573.28/x
  3. Step 3: Cross multiply
    74,415.06x = 102,666.96 × 47,573.28
  4. Step 4: Simplify right side
    74,415.06x = 4,884,204,034.83
  5. Step 5: Solve for x
    x = 4,884,204,034.83/74,415.06
  6. Step 6: Final answer
    x = 65,634.62

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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.