Home / 77,586.09-107,080.97-45,758.49

Finding the Fourth Proportional to 77,586.09, 107,080.97 and 45,758.49

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Solution

The fourth proportional to 77,586.09, 107,080.97 and 45,758.49 is: 63,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,586.09 : 107,080.97 = 45,758.49 : x
  2. Step 2: Convert to fraction form
    77,586.09/107,080.97 = 45,758.49/x
  3. Step 3: Cross multiply
    77,586.09x = 107,080.97 × 45,758.49
  4. Step 4: Simplify right side
    77,586.09x = 4,899,863,266.14
  5. Step 5: Solve for x
    x = 4,899,863,266.14/77,586.09
  6. Step 6: Final answer
    x = 63,153.89

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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.