Home / 86,471.09-119,284.71-70,356.41

Finding the Fourth Proportional to 86,471.09, 119,284.71 and 70,356.41

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Solution

The fourth proportional to 86,471.09, 119,284.71 and 70,356.41 is: 97,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.09 : 119,284.71 = 70,356.41 : x
  2. Step 2: Convert to fraction form
    86,471.09/119,284.71 = 70,356.41/x
  3. Step 3: Cross multiply
    86,471.09x = 119,284.71 × 70,356.41
  4. Step 4: Simplify right side
    86,471.09x = 8,392,444,261.70
  5. Step 5: Solve for x
    x = 8,392,444,261.70/86,471.09
  6. Step 6: Final answer
    x = 97,054.92

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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.