Home / 85,726.60-118,193.05-58,822.40

Finding the Fourth Proportional to 85,726.60, 118,193.05 and 58,822.40

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Solution

The fourth proportional to 85,726.60, 118,193.05 and 58,822.40 is: 81,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.60 : 118,193.05 = 58,822.40 : x
  2. Step 2: Convert to fraction form
    85,726.60/118,193.05 = 58,822.40/x
  3. Step 3: Cross multiply
    85,726.60x = 118,193.05 × 58,822.40
  4. Step 4: Simplify right side
    85,726.60x = 6,952,399,233.33
  5. Step 5: Solve for x
    x = 6,952,399,233.33/85,726.60
  6. Step 6: Final answer
    x = 81,099.68

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1.5x scale

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.