Home / 85,726.40-118,298.33-47,483.37

Finding the Fourth Proportional to 85,726.40, 118,298.33 and 47,483.37

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Solution

The fourth proportional to 85,726.40, 118,298.33 and 47,483.37 is: 65,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.40 : 118,298.33 = 47,483.37 : x
  2. Step 2: Convert to fraction form
    85,726.40/118,298.33 = 47,483.37/x
  3. Step 3: Cross multiply
    85,726.40x = 118,298.33 × 47,483.37
  4. Step 4: Simplify right side
    85,726.40x = 5,617,203,136.36
  5. Step 5: Solve for x
    x = 5,617,203,136.36/85,726.40
  6. Step 6: Final answer
    x = 65,524.77

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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.