Home / 82,316.07-123,461.24-26,148.80

Finding the Fourth Proportional to 82,316.07, 123,461.24 and 26,148.80

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Solution

The fourth proportional to 82,316.07, 123,461.24 and 26,148.80 is: 39,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,316.07 : 123,461.24 = 26,148.80 : x
  2. Step 2: Convert to fraction form
    82,316.07/123,461.24 = 26,148.80/x
  3. Step 3: Cross multiply
    82,316.07x = 123,461.24 × 26,148.80
  4. Step 4: Simplify right side
    82,316.07x = 3,228,363,176.73
  5. Step 5: Solve for x
    x = 3,228,363,176.73/82,316.07
  6. Step 6: Final answer
    x = 39,219.11

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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.