Home / 92,970.82-128,299.75-50,529.35

Finding the Fourth Proportional to 92,970.82, 128,299.75 and 50,529.35

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Solution

The fourth proportional to 92,970.82, 128,299.75 and 50,529.35 is: 69,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.82 : 128,299.75 = 50,529.35 : x
  2. Step 2: Convert to fraction form
    92,970.82/128,299.75 = 50,529.35/x
  3. Step 3: Cross multiply
    92,970.82x = 128,299.75 × 50,529.35
  4. Step 4: Simplify right side
    92,970.82x = 6,482,902,972.66
  5. Step 5: Solve for x
    x = 6,482,902,972.66/92,970.82
  6. Step 6: Final answer
    x = 69,730.51

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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.