Home / 86,471.27-119,284.97-70,356.60

Finding the Fourth Proportional to 86,471.27, 119,284.97 and 70,356.60

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Solution

The fourth proportional to 86,471.27, 119,284.97 and 70,356.60 is: 97,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.27 : 119,284.97 = 70,356.60 : x
  2. Step 2: Convert to fraction form
    86,471.27/119,284.97 = 70,356.60/x
  3. Step 3: Cross multiply
    86,471.27x = 119,284.97 × 70,356.60
  4. Step 4: Simplify right side
    86,471.27x = 8,392,484,832.36
  5. Step 5: Solve for x
    x = 8,392,484,832.36/86,471.27
  6. Step 6: Final answer
    x = 97,055.18

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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.