Home / 84,639.61-126,975.48-34,042.51

Finding the Fourth Proportional to 84,639.61, 126,975.48 and 34,042.51

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Solution

The fourth proportional to 84,639.61, 126,975.48 and 34,042.51 is: 51,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,639.61 : 126,975.48 = 34,042.51 : x
  2. Step 2: Convert to fraction form
    84,639.61/126,975.48 = 34,042.51/x
  3. Step 3: Cross multiply
    84,639.61x = 126,975.48 × 34,042.51
  4. Step 4: Simplify right side
    84,639.61x = 4,322,564,047.65
  5. Step 5: Solve for x
    x = 4,322,564,047.65/84,639.61
  6. Step 6: Final answer
    x = 51,070.23

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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.