Home / 90,195.98-124,453.67-57,936.36

Finding the Fourth Proportional to 90,195.98, 124,453.67 and 57,936.36

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Solution

The fourth proportional to 90,195.98, 124,453.67 and 57,936.36 is: 79,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,195.98 : 124,453.67 = 57,936.36 : x
  2. Step 2: Convert to fraction form
    90,195.98/124,453.67 = 57,936.36/x
  3. Step 3: Cross multiply
    90,195.98x = 124,453.67 × 57,936.36
  4. Step 4: Simplify right side
    90,195.98x = 7,210,392,805.46
  5. Step 5: Solve for x
    x = 7,210,392,805.46/90,195.98
  6. Step 6: Final answer
    x = 79,941.40

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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.