Home / 90,933.06-125,482.04-50,644.74

Finding the Fourth Proportional to 90,933.06, 125,482.04 and 50,644.74

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Solution

The fourth proportional to 90,933.06, 125,482.04 and 50,644.74 is: 69,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933.06 : 125,482.04 = 50,644.74 : x
  2. Step 2: Convert to fraction form
    90,933.06/125,482.04 = 50,644.74/x
  3. Step 3: Cross multiply
    90,933.06x = 125,482.04 × 50,644.74
  4. Step 4: Simplify right side
    90,933.06x = 6,355,005,290.47
  5. Step 5: Solve for x
    x = 6,355,005,290.47/90,933.06
  6. Step 6: Final answer
    x = 69,886.63

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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.