Home / 57,826.57-79,776.23-38,712.50

Finding the Fourth Proportional to 57,826.57, 79,776.23 and 38,712.50

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Solution

The fourth proportional to 57,826.57, 79,776.23 and 38,712.50 is: 53,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,826.57 : 79,776.23 = 38,712.50 : x
  2. Step 2: Convert to fraction form
    57,826.57/79,776.23 = 38,712.50/x
  3. Step 3: Cross multiply
    57,826.57x = 79,776.23 × 38,712.50
  4. Step 4: Simplify right side
    57,826.57x = 3,088,337,503.32
  5. Step 5: Solve for x
    x = 3,088,337,503.32/57,826.57
  6. Step 6: Final answer
    x = 53,406.89

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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.