Home / 84,638.72-126,802.37-53,042.84

Finding the Fourth Proportional to 84,638.72, 126,802.37 and 53,042.84

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Solution

The fourth proportional to 84,638.72, 126,802.37 and 53,042.84 is: 79,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.72 : 126,802.37 = 53,042.84 : x
  2. Step 2: Convert to fraction form
    84,638.72/126,802.37 = 53,042.84/x
  3. Step 3: Cross multiply
    84,638.72x = 126,802.37 × 53,042.84
  4. Step 4: Simplify right side
    84,638.72x = 6,725,957,693.91
  5. Step 5: Solve for x
    x = 6,725,957,693.91/84,638.72
  6. Step 6: Final answer
    x = 79,466.67

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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.