Home / 112,110.60-154,625.14-71,828.13

Finding the Fourth Proportional to 112,110.60, 154,625.14 and 71,828.13

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Solution

The fourth proportional to 112,110.60, 154,625.14 and 71,828.13 is: 99,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,110.60 : 154,625.14 = 71,828.13 : x
  2. Step 2: Convert to fraction form
    112,110.60/154,625.14 = 71,828.13/x
  3. Step 3: Cross multiply
    112,110.60x = 154,625.14 × 71,828.13
  4. Step 4: Simplify right side
    112,110.60x = 11,106,434,746.97
  5. Step 5: Solve for x
    x = 11,106,434,746.97/112,110.60
  6. Step 6: Final answer
    x = 99,066.77

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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.