Home / 86,631.69-119,552.72-50,822.31

Finding the Fourth Proportional to 86,631.69, 119,552.72 and 50,822.31

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Solution

The fourth proportional to 86,631.69, 119,552.72 and 50,822.31 is: 70,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,631.69 : 119,552.72 = 50,822.31 : x
  2. Step 2: Convert to fraction form
    86,631.69/119,552.72 = 50,822.31/x
  3. Step 3: Cross multiply
    86,631.69x = 119,552.72 × 50,822.31
  4. Step 4: Simplify right side
    86,631.69x = 6,075,945,397.18
  5. Step 5: Solve for x
    x = 6,075,945,397.18/86,631.69
  6. Step 6: Final answer
    x = 70,135.37

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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.