Home / 85,822.28-118,325.22-55,554.20

Finding the Fourth Proportional to 85,822.28, 118,325.22 and 55,554.20

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Solution

The fourth proportional to 85,822.28, 118,325.22 and 55,554.20 is: 76,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,822.28 : 118,325.22 = 55,554.20 : x
  2. Step 2: Convert to fraction form
    85,822.28/118,325.22 = 55,554.20/x
  3. Step 3: Cross multiply
    85,822.28x = 118,325.22 × 55,554.20
  4. Step 4: Simplify right side
    85,822.28x = 6,573,462,936.92
  5. Step 5: Solve for x
    x = 6,573,462,936.92/85,822.28
  6. Step 6: Final answer
    x = 76,593.90

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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.