Home / 112,110.14-154,624.48-71,827.66

Finding the Fourth Proportional to 112,110.14, 154,624.48 and 71,827.66

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Solution

The fourth proportional to 112,110.14, 154,624.48 and 71,827.66 is: 99,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,110.14 : 154,624.48 = 71,827.66 : x
  2. Step 2: Convert to fraction form
    112,110.14/154,624.48 = 71,827.66/x
  3. Step 3: Cross multiply
    112,110.14x = 154,624.48 × 71,827.66
  4. Step 4: Simplify right side
    112,110.14x = 11,106,314,590.83
  5. Step 5: Solve for x
    x = 11,106,314,590.83/112,110.14
  6. Step 6: Final answer
    x = 99,066.10

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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.