Home / 77,670.31-116,504.27-34,945.56

Finding the Fourth Proportional to 77,670.31, 116,504.27 and 34,945.56

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Solution

The fourth proportional to 77,670.31, 116,504.27 and 34,945.56 is: 52,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,670.31 : 116,504.27 = 34,945.56 : x
  2. Step 2: Convert to fraction form
    77,670.31/116,504.27 = 34,945.56/x
  3. Step 3: Cross multiply
    77,670.31x = 116,504.27 × 34,945.56
  4. Step 4: Simplify right side
    77,670.31x = 4,071,307,110.43
  5. Step 5: Solve for x
    x = 4,071,307,110.43/77,670.31
  6. Step 6: Final answer
    x = 52,417.80

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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.