Home / 77,258.55-115,905.80-23,947.70

Finding the Fourth Proportional to 77,258.55, 115,905.80 and 23,947.70

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Solution

The fourth proportional to 77,258.55, 115,905.80 and 23,947.70 is: 35,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.55 : 115,905.80 = 23,947.70 : x
  2. Step 2: Convert to fraction form
    77,258.55/115,905.80 = 23,947.70/x
  3. Step 3: Cross multiply
    77,258.55x = 115,905.80 × 23,947.70
  4. Step 4: Simplify right side
    77,258.55x = 2,775,677,496.69
  5. Step 5: Solve for x
    x = 2,775,677,496.69/77,258.55
  6. Step 6: Final answer
    x = 35,927.12

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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.