Home / 86,826.32-119,816.48-51,020

Finding the Fourth Proportional to 86,826.32, 119,816.48 and 51,020

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Solution

The fourth proportional to 86,826.32, 119,816.48 and 51,020 is: 70,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.32 : 119,816.48 = 51,020 : x
  2. Step 2: Convert to fraction form
    86,826.32/119,816.48 = 51,020/x
  3. Step 3: Cross multiply
    86,826.32x = 119,816.48 × 51,020
  4. Step 4: Simplify right side
    86,826.32x = 6,113,036,809.60
  5. Step 5: Solve for x
    x = 6,113,036,809.60/86,826.32
  6. Step 6: Final answer
    x = 70,405.34

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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.