Home / 104,736.16-144,554.64-67,009.12

Finding the Fourth Proportional to 104,736.16, 144,554.64 and 67,009.12

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Solution

The fourth proportional to 104,736.16, 144,554.64 and 67,009.12 is: 92,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,736.16 : 144,554.64 = 67,009.12 : x
  2. Step 2: Convert to fraction form
    104,736.16/144,554.64 = 67,009.12/x
  3. Step 3: Cross multiply
    104,736.16x = 144,554.64 × 67,009.12
  4. Step 4: Simplify right side
    104,736.16x = 9,686,479,218.32
  5. Step 5: Solve for x
    x = 9,686,479,218.32/104,736.16
  6. Step 6: Final answer
    x = 92,484.57

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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.