Home / 82,335.48-123,668.55-49,120.35

Finding the Fourth Proportional to 82,335.48, 123,668.55 and 49,120.35

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Solution

The fourth proportional to 82,335.48, 123,668.55 and 49,120.35 is: 73,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,335.48 : 123,668.55 = 49,120.35 : x
  2. Step 2: Convert to fraction form
    82,335.48/123,668.55 = 49,120.35/x
  3. Step 3: Cross multiply
    82,335.48x = 123,668.55 × 49,120.35
  4. Step 4: Simplify right side
    82,335.48x = 6,074,642,459.99
  5. Step 5: Solve for x
    x = 6,074,642,459.99/82,335.48
  6. Step 6: Final answer
    x = 73,779.16

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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.