Home / 81,885.72-113,000.97-46,075.71

Finding the Fourth Proportional to 81,885.72, 113,000.97 and 46,075.71

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Solution

The fourth proportional to 81,885.72, 113,000.97 and 46,075.71 is: 63,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,885.72 : 113,000.97 = 46,075.71 : x
  2. Step 2: Convert to fraction form
    81,885.72/113,000.97 = 46,075.71/x
  3. Step 3: Cross multiply
    81,885.72x = 113,000.97 × 46,075.71
  4. Step 4: Simplify right side
    81,885.72x = 5,206,599,923.44
  5. Step 5: Solve for x
    x = 5,206,599,923.44/81,885.72
  6. Step 6: Final answer
    x = 63,583.74

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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.