Home / 85,771.96-118,302.06-58,918.84

Finding the Fourth Proportional to 85,771.96, 118,302.06 and 58,918.84

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Solution

The fourth proportional to 85,771.96, 118,302.06 and 58,918.84 is: 81,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,771.96 : 118,302.06 = 58,918.84 : x
  2. Step 2: Convert to fraction form
    85,771.96/118,302.06 = 58,918.84/x
  3. Step 3: Cross multiply
    85,771.96x = 118,302.06 × 58,918.84
  4. Step 4: Simplify right side
    85,771.96x = 6,970,220,144.81
  5. Step 5: Solve for x
    x = 6,970,220,144.81/85,771.96
  6. Step 6: Final answer
    x = 81,264.55

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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.