Home / 86,590.03-129,888.68-27,424.39

Finding the Fourth Proportional to 86,590.03, 129,888.68 and 27,424.39

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Solution

The fourth proportional to 86,590.03, 129,888.68 and 27,424.39 is: 41,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,590.03 : 129,888.68 = 27,424.39 : x
  2. Step 2: Convert to fraction form
    86,590.03/129,888.68 = 27,424.39/x
  3. Step 3: Cross multiply
    86,590.03x = 129,888.68 × 27,424.39
  4. Step 4: Simplify right side
    86,590.03x = 3,562,117,816.91
  5. Step 5: Solve for x
    x = 3,562,117,816.91/86,590.03
  6. Step 6: Final answer
    x = 41,137.74

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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.