Home / 78,927.06-108,926.84-43,122.46

Finding the Fourth Proportional to 78,927.06, 108,926.84 and 43,122.46

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Solution

The fourth proportional to 78,927.06, 108,926.84 and 43,122.46 is: 59,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,927.06 : 108,926.84 = 43,122.46 : x
  2. Step 2: Convert to fraction form
    78,927.06/108,926.84 = 43,122.46/x
  3. Step 3: Cross multiply
    78,927.06x = 108,926.84 × 43,122.46
  4. Step 4: Simplify right side
    78,927.06x = 4,697,193,300.83
  5. Step 5: Solve for x
    x = 4,697,193,300.83/78,927.06
  6. Step 6: Final answer
    x = 59,513.09

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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.