Home / 84,537.51-126,830.97-37,779.45

Finding the Fourth Proportional to 84,537.51, 126,830.97 and 37,779.45

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Solution

The fourth proportional to 84,537.51, 126,830.97 and 37,779.45 is: 56,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,537.51 : 126,830.97 = 37,779.45 : x
  2. Step 2: Convert to fraction form
    84,537.51/126,830.97 = 37,779.45/x
  3. Step 3: Cross multiply
    84,537.51x = 126,830.97 × 37,779.45
  4. Step 4: Simplify right side
    84,537.51x = 4,791,604,289.57
  5. Step 5: Solve for x
    x = 4,791,604,289.57/84,537.51
  6. Step 6: Final answer
    x = 56,680.22

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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.