Home / 85,938.08-118,616.34-58,725.18

Finding the Fourth Proportional to 85,938.08, 118,616.34 and 58,725.18

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Solution

The fourth proportional to 85,938.08, 118,616.34 and 58,725.18 is: 81,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938.08 : 118,616.34 = 58,725.18 : x
  2. Step 2: Convert to fraction form
    85,938.08/118,616.34 = 58,725.18/x
  3. Step 3: Cross multiply
    85,938.08x = 118,616.34 × 58,725.18
  4. Step 4: Simplify right side
    85,938.08x = 6,965,765,692.85
  5. Step 5: Solve for x
    x = 6,965,765,692.85/85,938.08
  6. Step 6: Final answer
    x = 81,055.64

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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.