Home / 85,726.90-118,299.01-47,483.87

Finding the Fourth Proportional to 85,726.90, 118,299.01 and 47,483.87

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Solution

The fourth proportional to 85,726.90, 118,299.01 and 47,483.87 is: 65,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.90 : 118,299.01 = 47,483.87 : x
  2. Step 2: Convert to fraction form
    85,726.90/118,299.01 = 47,483.87/x
  3. Step 3: Cross multiply
    85,726.90x = 118,299.01 × 47,483.87
  4. Step 4: Simplify right side
    85,726.90x = 5,617,294,811.97
  5. Step 5: Solve for x
    x = 5,617,294,811.97/85,726.90
  6. Step 6: Final answer
    x = 65,525.46

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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.