Home / 104,486.09-144,199.78-59,172.05

Finding the Fourth Proportional to 104,486.09, 144,199.78 and 59,172.05

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Solution

The fourth proportional to 104,486.09, 144,199.78 and 59,172.05 is: 81,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.09 : 144,199.78 = 59,172.05 : x
  2. Step 2: Convert to fraction form
    104,486.09/144,199.78 = 59,172.05/x
  3. Step 3: Cross multiply
    104,486.09x = 144,199.78 × 59,172.05
  4. Step 4: Simplify right side
    104,486.09x = 8,532,596,804.72
  5. Step 5: Solve for x
    x = 8,532,596,804.72/104,486.09
  6. Step 6: Final answer
    x = 81,662.52

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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.