Home / 112,459.29-168,605.60-68,075.54

Finding the Fourth Proportional to 112,459.29, 168,605.60 and 68,075.54

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Solution

The fourth proportional to 112,459.29, 168,605.60 and 68,075.54 is: 102,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,459.29 : 168,605.60 = 68,075.54 : x
  2. Step 2: Convert to fraction form
    112,459.29/168,605.60 = 68,075.54/x
  3. Step 3: Cross multiply
    112,459.29x = 168,605.60 × 68,075.54
  4. Step 4: Simplify right side
    112,459.29x = 11,477,917,098.81
  5. Step 5: Solve for x
    x = 11,477,917,098.81/112,459.29
  6. Step 6: Final answer
    x = 102,062.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.