Home / 74,298.25-102,533.39-40,764.25

Finding the Fourth Proportional to 74,298.25, 102,533.39 and 40,764.25

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Solution

The fourth proportional to 74,298.25, 102,533.39 and 40,764.25 is: 56,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,298.25 : 102,533.39 = 40,764.25 : x
  2. Step 2: Convert to fraction form
    74,298.25/102,533.39 = 40,764.25/x
  3. Step 3: Cross multiply
    74,298.25x = 102,533.39 × 40,764.25
  4. Step 4: Simplify right side
    74,298.25x = 4,179,696,743.31
  5. Step 5: Solve for x
    x = 4,179,696,743.31/74,298.25
  6. Step 6: Final answer
    x = 56,255.66

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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.