Home / 84,376.26-126,501.84-51,088.32

Finding the Fourth Proportional to 84,376.26, 126,501.84 and 51,088.32

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Solution

The fourth proportional to 84,376.26, 126,501.84 and 51,088.32 is: 76,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,376.26 : 126,501.84 = 51,088.32 : x
  2. Step 2: Convert to fraction form
    84,376.26/126,501.84 = 51,088.32/x
  3. Step 3: Cross multiply
    84,376.26x = 126,501.84 × 51,088.32
  4. Step 4: Simplify right side
    84,376.26x = 6,462,766,482.51
  5. Step 5: Solve for x
    x = 6,462,766,482.51/84,376.26
  6. Step 6: Final answer
    x = 76,594.61

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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.