Home / 47,434.73-65,466.80-28,315.31

Finding the Fourth Proportional to 47,434.73, 65,466.80 and 28,315.31

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Solution

The fourth proportional to 47,434.73, 65,466.80 and 28,315.31 is: 39,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,434.73 : 65,466.80 = 28,315.31 : x
  2. Step 2: Convert to fraction form
    47,434.73/65,466.80 = 28,315.31/x
  3. Step 3: Cross multiply
    47,434.73x = 65,466.80 × 28,315.31
  4. Step 4: Simplify right side
    47,434.73x = 1,853,712,971.16
  5. Step 5: Solve for x
    x = 1,853,712,971.16/47,434.73
  6. Step 6: Final answer
    x = 39,079.23

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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.