Home / 85,534.43-118,032.74-47,291.75

Finding the Fourth Proportional to 85,534.43, 118,032.74 and 47,291.75

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Solution

The fourth proportional to 85,534.43, 118,032.74 and 47,291.75 is: 65,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.43 : 118,032.74 = 47,291.75 : x
  2. Step 2: Convert to fraction form
    85,534.43/118,032.74 = 47,291.75/x
  3. Step 3: Cross multiply
    85,534.43x = 118,032.74 × 47,291.75
  4. Step 4: Simplify right side
    85,534.43x = 5,581,974,005.27
  5. Step 5: Solve for x
    x = 5,581,974,005.27/85,534.43
  6. Step 6: Final answer
    x = 65,259.97

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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.