Home / 86,453.39-119,260.32-70,338.71

Finding the Fourth Proportional to 86,453.39, 119,260.32 and 70,338.71

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Solution

The fourth proportional to 86,453.39, 119,260.32 and 70,338.71 is: 97,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,453.39 : 119,260.32 = 70,338.71 : x
  2. Step 2: Convert to fraction form
    86,453.39/119,260.32 = 70,338.71/x
  3. Step 3: Cross multiply
    86,453.39x = 119,260.32 × 70,338.71
  4. Step 4: Simplify right side
    86,453.39x = 8,388,616,466.69
  5. Step 5: Solve for x
    x = 8,388,616,466.69/86,453.39
  6. Step 6: Final answer
    x = 97,030.51

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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.