Home / 66,111.16-91,268.94-50,970.76

Finding the Fourth Proportional to 66,111.16, 91,268.94 and 50,970.76

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Solution

The fourth proportional to 66,111.16, 91,268.94 and 50,970.76 is: 70,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,111.16 : 91,268.94 = 50,970.76 : x
  2. Step 2: Convert to fraction form
    66,111.16/91,268.94 = 50,970.76/x
  3. Step 3: Cross multiply
    66,111.16x = 91,268.94 × 50,970.76
  4. Step 4: Simplify right side
    66,111.16x = 4,652,047,236.19
  5. Step 5: Solve for x
    x = 4,652,047,236.19/66,111.16
  6. Step 6: Final answer
    x = 70,367.05

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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.