Home / 74,532.32-102,854.10-42,273.08

Finding the Fourth Proportional to 74,532.32, 102,854.10 and 42,273.08

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Solution

The fourth proportional to 74,532.32, 102,854.10 and 42,273.08 is: 58,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.32 : 102,854.10 = 42,273.08 : x
  2. Step 2: Convert to fraction form
    74,532.32/102,854.10 = 42,273.08/x
  3. Step 3: Cross multiply
    74,532.32x = 102,854.10 × 42,273.08
  4. Step 4: Simplify right side
    74,532.32x = 4,347,959,597.63
  5. Step 5: Solve for x
    x = 4,347,959,597.63/74,532.32
  6. Step 6: Final answer
    x = 58,336.57

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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.