Home / 85,551.13-118,004.94-54,875.68

Finding the Fourth Proportional to 85,551.13, 118,004.94 and 54,875.68

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Solution

The fourth proportional to 85,551.13, 118,004.94 and 54,875.68 is: 75,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,551.13 : 118,004.94 = 54,875.68 : x
  2. Step 2: Convert to fraction form
    85,551.13/118,004.94 = 54,875.68/x
  3. Step 3: Cross multiply
    85,551.13x = 118,004.94 × 54,875.68
  4. Step 4: Simplify right side
    85,551.13x = 6,475,601,325.86
  5. Step 5: Solve for x
    x = 6,475,601,325.86/85,551.13
  6. Step 6: Final answer
    x = 75,692.76

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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.