Home / 82,301.84-123,427.32-29,704.64

Finding the Fourth Proportional to 82,301.84, 123,427.32 and 29,704.64

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Solution

The fourth proportional to 82,301.84, 123,427.32 and 29,704.64 is: 44,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,301.84 : 123,427.32 = 29,704.64 : x
  2. Step 2: Convert to fraction form
    82,301.84/123,427.32 = 29,704.64/x
  3. Step 3: Cross multiply
    82,301.84x = 123,427.32 × 29,704.64
  4. Step 4: Simplify right side
    82,301.84x = 3,666,364,106.76
  5. Step 5: Solve for x
    x = 3,666,364,106.76/82,301.84
  6. Step 6: Final answer
    x = 44,547.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.