Home / 77,258.61-115,905.89-23,947.76

Finding the Fourth Proportional to 77,258.61, 115,905.89 and 23,947.76

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Solution

The fourth proportional to 77,258.61, 115,905.89 and 23,947.76 is: 35,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.61 : 115,905.89 = 23,947.76 : x
  2. Step 2: Convert to fraction form
    77,258.61/115,905.89 = 23,947.76/x
  3. Step 3: Cross multiply
    77,258.61x = 115,905.89 × 23,947.76
  4. Step 4: Simplify right side
    77,258.61x = 2,775,686,436.31
  5. Step 5: Solve for x
    x = 2,775,686,436.31/77,258.61
  6. Step 6: Final answer
    x = 35,927.21

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1.5x scale

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.