Home / 84,342.32-126,450.98-51,054.51

Finding the Fourth Proportional to 84,342.32, 126,450.98 and 51,054.51

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Solution

The fourth proportional to 84,342.32, 126,450.98 and 51,054.51 is: 76,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,342.32 : 126,450.98 = 51,054.51 : x
  2. Step 2: Convert to fraction form
    84,342.32/126,450.98 = 51,054.51/x
  3. Step 3: Cross multiply
    84,342.32x = 126,450.98 × 51,054.51
  4. Step 4: Simplify right side
    84,342.32x = 6,455,892,567.65
  5. Step 5: Solve for x
    x = 6,455,892,567.65/84,342.32
  6. Step 6: Final answer
    x = 76,543.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.