Home / 78,902.64-108,895.95-44,904.51

Finding the Fourth Proportional to 78,902.64, 108,895.95 and 44,904.51

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Solution

The fourth proportional to 78,902.64, 108,895.95 and 44,904.51 is: 61,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,902.64 : 108,895.95 = 44,904.51 : x
  2. Step 2: Convert to fraction form
    78,902.64/108,895.95 = 44,904.51/x
  3. Step 3: Cross multiply
    78,902.64x = 108,895.95 × 44,904.51
  4. Step 4: Simplify right side
    78,902.64x = 4,889,919,275.73
  5. Step 5: Solve for x
    x = 4,889,919,275.73/78,902.64
  6. Step 6: Final answer
    x = 61,974.09

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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.