Home / 47,751.19-65,903.93-28,899.25

Finding the Fourth Proportional to 47,751.19, 65,903.93 and 28,899.25

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Solution

The fourth proportional to 47,751.19, 65,903.93 and 28,899.25 is: 39,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,751.19 : 65,903.93 = 28,899.25 : x
  2. Step 2: Convert to fraction form
    47,751.19/65,903.93 = 28,899.25/x
  3. Step 3: Cross multiply
    47,751.19x = 65,903.93 × 28,899.25
  4. Step 4: Simplify right side
    47,751.19x = 1,904,573,948.17
  5. Step 5: Solve for x
    x = 1,904,573,948.17/47,751.19
  6. Step 6: Final answer
    x = 39,885.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.