Home / 112,148.94-154,763.58-61,162.06

Finding the Fourth Proportional to 112,148.94, 154,763.58 and 61,162.06

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Solution

The fourth proportional to 112,148.94, 154,763.58 and 61,162.06 is: 84,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,148.94 : 154,763.58 = 61,162.06 : x
  2. Step 2: Convert to fraction form
    112,148.94/154,763.58 = 61,162.06/x
  3. Step 3: Cross multiply
    112,148.94x = 154,763.58 × 61,162.06
  4. Step 4: Simplify right side
    112,148.94x = 9,465,659,365.77
  5. Step 5: Solve for x
    x = 9,465,659,365.77/112,148.94
  6. Step 6: Final answer
    x = 84,402.58

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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.