Home / 58,091.40-80,102.09-40,155.27

Finding the Fourth Proportional to 58,091.40, 80,102.09 and 40,155.27

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Solution

The fourth proportional to 58,091.40, 80,102.09 and 40,155.27 is: 55,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,091.40 : 80,102.09 = 40,155.27 : x
  2. Step 2: Convert to fraction form
    58,091.40/80,102.09 = 40,155.27/x
  3. Step 3: Cross multiply
    58,091.40x = 80,102.09 × 40,155.27
  4. Step 4: Simplify right side
    58,091.40x = 3,216,520,850.74
  5. Step 5: Solve for x
    x = 3,216,520,850.74/58,091.40
  6. Step 6: Final answer
    x = 55,370.00

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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.