Home / 85,323.96-117,727.02-51,783.48

Finding the Fourth Proportional to 85,323.96, 117,727.02 and 51,783.48

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Solution

The fourth proportional to 85,323.96, 117,727.02 and 51,783.48 is: 71,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,323.96 : 117,727.02 = 51,783.48 : x
  2. Step 2: Convert to fraction form
    85,323.96/117,727.02 = 51,783.48/x
  3. Step 3: Cross multiply
    85,323.96x = 117,727.02 × 51,783.48
  4. Step 4: Simplify right side
    85,323.96x = 6,096,314,785.63
  5. Step 5: Solve for x
    x = 6,096,314,785.63/85,323.96
  6. Step 6: Final answer
    x = 71,449.04

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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.