Home / 104,335.58-144,038.94-81,626.36

Finding the Fourth Proportional to 104,335.58, 144,038.94 and 81,626.36

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Solution

The fourth proportional to 104,335.58, 144,038.94 and 81,626.36 is: 112,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,335.58 : 144,038.94 = 81,626.36 : x
  2. Step 2: Convert to fraction form
    104,335.58/144,038.94 = 81,626.36/x
  3. Step 3: Cross multiply
    104,335.58x = 144,038.94 × 81,626.36
  4. Step 4: Simplify right side
    104,335.58x = 11,757,374,370.46
  5. Step 5: Solve for x
    x = 11,757,374,370.46/104,335.58
  6. Step 6: Final answer
    x = 112,688.06

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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.