Home / 86,590.38-119,450.70-52,589.82

Finding the Fourth Proportional to 86,590.38, 119,450.70 and 52,589.82

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Solution

The fourth proportional to 86,590.38, 119,450.70 and 52,589.82 is: 72,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,590.38 : 119,450.70 = 52,589.82 : x
  2. Step 2: Convert to fraction form
    86,590.38/119,450.70 = 52,589.82/x
  3. Step 3: Cross multiply
    86,590.38x = 119,450.70 × 52,589.82
  4. Step 4: Simplify right side
    86,590.38x = 6,281,890,811.87
  5. Step 5: Solve for x
    x = 6,281,890,811.87/86,590.38
  6. Step 6: Final answer
    x = 72,547.21

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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.