Home / 86,400.09-119,153.05-59,215.68

Finding the Fourth Proportional to 86,400.09, 119,153.05 and 59,215.68

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Solution

The fourth proportional to 86,400.09, 119,153.05 and 59,215.68 is: 81,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,400.09 : 119,153.05 = 59,215.68 : x
  2. Step 2: Convert to fraction form
    86,400.09/119,153.05 = 59,215.68/x
  3. Step 3: Cross multiply
    86,400.09x = 119,153.05 × 59,215.68
  4. Step 4: Simplify right side
    86,400.09x = 7,055,728,583.75
  5. Step 5: Solve for x
    x = 7,055,728,583.75/86,400.09
  6. Step 6: Final answer
    x = 81,663.44

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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.