Home / 86,282.35-129,358.91-58,123.37

Finding the Fourth Proportional to 86,282.35, 129,358.91 and 58,123.37

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Solution

The fourth proportional to 86,282.35, 129,358.91 and 58,123.37 is: 87,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,282.35 : 129,358.91 = 58,123.37 : x
  2. Step 2: Convert to fraction form
    86,282.35/129,358.91 = 58,123.37/x
  3. Step 3: Cross multiply
    86,282.35x = 129,358.91 × 58,123.37
  4. Step 4: Simplify right side
    86,282.35x = 7,518,776,257.43
  5. Step 5: Solve for x
    x = 7,518,776,257.43/86,282.35
  6. Step 6: Final answer
    x = 87,141.54

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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.