Home / 77,936.09-107,559.52-47,306.77

Finding the Fourth Proportional to 77,936.09, 107,559.52 and 47,306.77

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Solution

The fourth proportional to 77,936.09, 107,559.52 and 47,306.77 is: 65,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,936.09 : 107,559.52 = 47,306.77 : x
  2. Step 2: Convert to fraction form
    77,936.09/107,559.52 = 47,306.77/x
  3. Step 3: Cross multiply
    77,936.09x = 107,559.52 × 47,306.77
  4. Step 4: Simplify right side
    77,936.09x = 5,088,294,088.77
  5. Step 5: Solve for x
    x = 5,088,294,088.77/77,936.09
  6. Step 6: Final answer
    x = 65,288.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.