Home / 82,221.12-113,465.10-46,411.44

Finding the Fourth Proportional to 82,221.12, 113,465.10 and 46,411.44

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Solution

The fourth proportional to 82,221.12, 113,465.10 and 46,411.44 is: 64,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221.12 : 113,465.10 = 46,411.44 : x
  2. Step 2: Convert to fraction form
    82,221.12/113,465.10 = 46,411.44/x
  3. Step 3: Cross multiply
    82,221.12x = 113,465.10 × 46,411.44
  4. Step 4: Simplify right side
    82,221.12x = 5,266,078,680.74
  5. Step 5: Solve for x
    x = 5,266,078,680.74/82,221.12
  6. Step 6: Final answer
    x = 64,047.76

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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.