Home / 82,765.12-114,218.40-46,953.76

Finding the Fourth Proportional to 82,765.12, 114,218.40 and 46,953.76

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Solution

The fourth proportional to 82,765.12, 114,218.40 and 46,953.76 is: 64,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,765.12 : 114,218.40 = 46,953.76 : x
  2. Step 2: Convert to fraction form
    82,765.12/114,218.40 = 46,953.76/x
  3. Step 3: Cross multiply
    82,765.12x = 114,218.40 × 46,953.76
  4. Step 4: Simplify right side
    82,765.12x = 5,362,983,341.18
  5. Step 5: Solve for x
    x = 5,362,983,341.18/82,765.12
  6. Step 6: Final answer
    x = 64,797.63

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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.