Home / 92,927.09-128,240.94-50,485.65

Finding the Fourth Proportional to 92,927.09, 128,240.94 and 50,485.65

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Solution

The fourth proportional to 92,927.09, 128,240.94 and 50,485.65 is: 69,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.09 : 128,240.94 = 50,485.65 : x
  2. Step 2: Convert to fraction form
    92,927.09/128,240.94 = 50,485.65/x
  3. Step 3: Cross multiply
    92,927.09x = 128,240.94 × 50,485.65
  4. Step 4: Simplify right side
    92,927.09x = 6,474,327,212.51
  5. Step 5: Solve for x
    x = 6,474,327,212.51/92,927.09
  6. Step 6: Final answer
    x = 69,671.05

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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.