Home / 72,899.74-100,583.94-41,068.60

Finding the Fourth Proportional to 72,899.74, 100,583.94 and 41,068.60

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Solution

The fourth proportional to 72,899.74, 100,583.94 and 41,068.60 is: 56,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,899.74 : 100,583.94 = 41,068.60 : x
  2. Step 2: Convert to fraction form
    72,899.74/100,583.94 = 41,068.60/x
  3. Step 3: Cross multiply
    72,899.74x = 100,583.94 × 41,068.60
  4. Step 4: Simplify right side
    72,899.74x = 4,130,841,598.28
  5. Step 5: Solve for x
    x = 4,130,841,598.28/72,899.74
  6. Step 6: Final answer
    x = 56,664.70

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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.