Home / 78,248.49-107,966.30-46,427.73

Finding the Fourth Proportional to 78,248.49, 107,966.30 and 46,427.73

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Solution

The fourth proportional to 78,248.49, 107,966.30 and 46,427.73 is: 64,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,248.49 : 107,966.30 = 46,427.73 : x
  2. Step 2: Convert to fraction form
    78,248.49/107,966.30 = 46,427.73/x
  3. Step 3: Cross multiply
    78,248.49x = 107,966.30 × 46,427.73
  4. Step 4: Simplify right side
    78,248.49x = 5,012,629,993.36
  5. Step 5: Solve for x
    x = 5,012,629,993.36/78,248.49
  6. Step 6: Final answer
    x = 64,060.41

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1.5x scale

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.