Home / 85,010.76-117,313.26-58,152.36

Finding the Fourth Proportional to 85,010.76, 117,313.26 and 58,152.36

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Solution

The fourth proportional to 85,010.76, 117,313.26 and 58,152.36 is: 80,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,010.76 : 117,313.26 = 58,152.36 : x
  2. Step 2: Convert to fraction form
    85,010.76/117,313.26 = 58,152.36/x
  3. Step 3: Cross multiply
    85,010.76x = 117,313.26 × 58,152.36
  4. Step 4: Simplify right side
    85,010.76x = 6,822,042,928.29
  5. Step 5: Solve for x
    x = 6,822,042,928.29/85,010.76
  6. Step 6: Final answer
    x = 80,249.17

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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.