Home / 74,458.44-102,752.98-40,926.60

Finding the Fourth Proportional to 74,458.44, 102,752.98 and 40,926.60

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Solution

The fourth proportional to 74,458.44, 102,752.98 and 40,926.60 is: 56,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458.44 : 102,752.98 = 40,926.60 : x
  2. Step 2: Convert to fraction form
    74,458.44/102,752.98 = 40,926.60/x
  3. Step 3: Cross multiply
    74,458.44x = 102,752.98 × 40,926.60
  4. Step 4: Simplify right side
    74,458.44x = 4,205,330,111.27
  5. Step 5: Solve for x
    x = 4,205,330,111.27/74,458.44
  6. Step 6: Final answer
    x = 56,478.89

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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.