Home / 84,079.08-126,093.96-31,476.24

Finding the Fourth Proportional to 84,079.08, 126,093.96 and 31,476.24

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Solution

The fourth proportional to 84,079.08, 126,093.96 and 31,476.24 is: 47,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,079.08 : 126,093.96 = 31,476.24 : x
  2. Step 2: Convert to fraction form
    84,079.08/126,093.96 = 31,476.24/x
  3. Step 3: Cross multiply
    84,079.08x = 126,093.96 × 31,476.24
  4. Step 4: Simplify right side
    84,079.08x = 3,968,963,747.51
  5. Step 5: Solve for x
    x = 3,968,963,747.51/84,079.08
  6. Step 6: Final answer
    x = 47,205.13

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1.5x scale

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.