Home / 67,430.88-92,826-57,944.16

Finding the Fourth Proportional to 67,430.88, 92,826 and 57,944.16

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Solution

The fourth proportional to 67,430.88, 92,826 and 57,944.16 is: 79,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.88 : 92,826 = 57,944.16 : x
  2. Step 2: Convert to fraction form
    67,430.88/92,826 = 57,944.16/x
  3. Step 3: Cross multiply
    67,430.88x = 92,826 × 57,944.16
  4. Step 4: Simplify right side
    67,430.88x = 5,378,724,596.16
  5. Step 5: Solve for x
    x = 5,378,724,596.16/67,430.88
  6. Step 6: Final answer
    x = 79,766.49

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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.