Home / 82,312.97-123,486.67-46,790.63

Finding the Fourth Proportional to 82,312.97, 123,486.67 and 46,790.63

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Solution

The fourth proportional to 82,312.97, 123,486.67 and 46,790.63 is: 70,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,312.97 : 123,486.67 = 46,790.63 : x
  2. Step 2: Convert to fraction form
    82,312.97/123,486.67 = 46,790.63/x
  3. Step 3: Cross multiply
    82,312.97x = 123,486.67 × 46,790.63
  4. Step 4: Simplify right side
    82,312.97x = 5,778,018,468.47
  5. Step 5: Solve for x
    x = 5,778,018,468.47/82,312.97
  6. Step 6: Final answer
    x = 70,195.72

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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.