Home / 58,011.40-87,017.10-54,512.20

Finding the Fourth Proportional to 58,011.40, 87,017.10 and 54,512.20

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Solution

The fourth proportional to 58,011.40, 87,017.10 and 54,512.20 is: 81,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,011.40 : 87,017.10 = 54,512.20 : x
  2. Step 2: Convert to fraction form
    58,011.40/87,017.10 = 54,512.20/x
  3. Step 3: Cross multiply
    58,011.40x = 87,017.10 × 54,512.20
  4. Step 4: Simplify right side
    58,011.40x = 4,743,493,558.62
  5. Step 5: Solve for x
    x = 4,743,493,558.62/58,011.40
  6. Step 6: Final answer
    x = 81,768.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.