Home / 85,955.56-118,588.26-56,164.84

Finding the Fourth Proportional to 85,955.56, 118,588.26 and 56,164.84

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Solution

The fourth proportional to 85,955.56, 118,588.26 and 56,164.84 is: 77,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,955.56 : 118,588.26 = 56,164.84 : x
  2. Step 2: Convert to fraction form
    85,955.56/118,588.26 = 56,164.84/x
  3. Step 3: Cross multiply
    85,955.56x = 118,588.26 × 56,164.84
  4. Step 4: Simplify right side
    85,955.56x = 6,660,490,648.78
  5. Step 5: Solve for x
    x = 6,660,490,648.78/85,955.56
  6. Step 6: Final answer
    x = 77,487.61

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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.