Home / 90,226.98-124,569.77-57,974.67

Finding the Fourth Proportional to 90,226.98, 124,569.77 and 57,974.67

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Solution

The fourth proportional to 90,226.98, 124,569.77 and 57,974.67 is: 80,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226.98 : 124,569.77 = 57,974.67 : x
  2. Step 2: Convert to fraction form
    90,226.98/124,569.77 = 57,974.67/x
  3. Step 3: Cross multiply
    90,226.98x = 124,569.77 × 57,974.67
  4. Step 4: Simplify right side
    90,226.98x = 7,221,891,017.85
  5. Step 5: Solve for x
    x = 7,221,891,017.85/90,226.98
  6. Step 6: Final answer
    x = 80,041.37

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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.