Home / 112,098.89-154,697.67-61,799.69

Finding the Fourth Proportional to 112,098.89, 154,697.67 and 61,799.69

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Solution

The fourth proportional to 112,098.89, 154,697.67 and 61,799.69 is: 85,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.89 : 154,697.67 = 61,799.69 : x
  2. Step 2: Convert to fraction form
    112,098.89/154,697.67 = 61,799.69/x
  3. Step 3: Cross multiply
    112,098.89x = 154,697.67 × 61,799.69
  4. Step 4: Simplify right side
    112,098.89x = 9,560,267,740.72
  5. Step 5: Solve for x
    x = 9,560,267,740.72/112,098.89
  6. Step 6: Final answer
    x = 85,284.23

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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.