Home / 86,456.64-119,408.55-58,113.12

Finding the Fourth Proportional to 86,456.64, 119,408.55 and 58,113.12

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Solution

The fourth proportional to 86,456.64, 119,408.55 and 58,113.12 is: 80,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,456.64 : 119,408.55 = 58,113.12 : x
  2. Step 2: Convert to fraction form
    86,456.64/119,408.55 = 58,113.12/x
  3. Step 3: Cross multiply
    86,456.64x = 119,408.55 × 58,113.12
  4. Step 4: Simplify right side
    86,456.64x = 6,939,203,395.18
  5. Step 5: Solve for x
    x = 6,939,203,395.18/86,456.64
  6. Step 6: Final answer
    x = 80,262.24

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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.