Home / 104,645.12-144,407.21-59,327.28

Finding the Fourth Proportional to 104,645.12, 144,407.21 and 59,327.28

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Solution

The fourth proportional to 104,645.12, 144,407.21 and 59,327.28 is: 81,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.12 : 144,407.21 = 59,327.28 : x
  2. Step 2: Convert to fraction form
    104,645.12/144,407.21 = 59,327.28/x
  3. Step 3: Cross multiply
    104,645.12x = 144,407.21 × 59,327.28
  4. Step 4: Simplify right side
    104,645.12x = 8,567,286,685.05
  5. Step 5: Solve for x
    x = 8,567,286,685.05/104,645.12
  6. Step 6: Final answer
    x = 81,869.92

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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.