Home / 92,977.71-128,303.79-50,535.87

Finding the Fourth Proportional to 92,977.71, 128,303.79 and 50,535.87

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Solution

The fourth proportional to 92,977.71, 128,303.79 and 50,535.87 is: 69,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.71 : 128,303.79 = 50,535.87 : x
  2. Step 2: Convert to fraction form
    92,977.71/128,303.79 = 50,535.87/x
  3. Step 3: Cross multiply
    92,977.71x = 128,303.79 × 50,535.87
  4. Step 4: Simplify right side
    92,977.71x = 6,483,943,651.95
  5. Step 5: Solve for x
    x = 6,483,943,651.95/92,977.71
  6. Step 6: Final answer
    x = 69,736.54

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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.