Home / 77,345.09-116,028.76-29,331.38

Finding the Fourth Proportional to 77,345.09, 116,028.76 and 29,331.38

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Solution

The fourth proportional to 77,345.09, 116,028.76 and 29,331.38 is: 44,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,345.09 : 116,028.76 = 29,331.38 : x
  2. Step 2: Convert to fraction form
    77,345.09/116,028.76 = 29,331.38/x
  3. Step 3: Cross multiply
    77,345.09x = 116,028.76 × 29,331.38
  4. Step 4: Simplify right side
    77,345.09x = 3,403,283,650.49
  5. Step 5: Solve for x
    x = 3,403,283,650.49/77,345.09
  6. Step 6: Final answer
    x = 44,001.29

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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.