Home / 86,297.40-119,127.27-58,019.49

Finding the Fourth Proportional to 86,297.40, 119,127.27 and 58,019.49

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Solution

The fourth proportional to 86,297.40, 119,127.27 and 58,019.49 is: 80,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297.40 : 119,127.27 = 58,019.49 : x
  2. Step 2: Convert to fraction form
    86,297.40/119,127.27 = 58,019.49/x
  3. Step 3: Cross multiply
    86,297.40x = 119,127.27 × 58,019.49
  4. Step 4: Simplify right side
    86,297.40x = 6,911,703,450.49
  5. Step 5: Solve for x
    x = 6,911,703,450.49/86,297.40
  6. Step 6: Final answer
    x = 80,091.68

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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.