Home / 86,450.08-129,587.58-58,300.96

Finding the Fourth Proportional to 86,450.08, 129,587.58 and 58,300.96

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Solution

The fourth proportional to 86,450.08, 129,587.58 and 58,300.96 is: 87,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.08 : 129,587.58 = 58,300.96 : x
  2. Step 2: Convert to fraction form
    86,450.08/129,587.58 = 58,300.96/x
  3. Step 3: Cross multiply
    86,450.08x = 129,587.58 × 58,300.96
  4. Step 4: Simplify right side
    86,450.08x = 7,555,080,318.08
  5. Step 5: Solve for x
    x = 7,555,080,318.08/86,450.08
  6. Step 6: Final answer
    x = 87,392.40

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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.