Home / 76,994.07-106,248.81-48,329.13

Finding the Fourth Proportional to 76,994.07, 106,248.81 and 48,329.13

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Solution

The fourth proportional to 76,994.07, 106,248.81 and 48,329.13 is: 66,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994.07 : 106,248.81 = 48,329.13 : x
  2. Step 2: Convert to fraction form
    76,994.07/106,248.81 = 48,329.13/x
  3. Step 3: Cross multiply
    76,994.07x = 106,248.81 × 48,329.13
  4. Step 4: Simplify right side
    76,994.07x = 5,134,912,550.84
  5. Step 5: Solve for x
    x = 5,134,912,550.84/76,994.07
  6. Step 6: Final answer
    x = 66,692.31

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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.