Home / 85,741.44-118,383.84-55,541.76

Finding the Fourth Proportional to 85,741.44, 118,383.84 and 55,541.76

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Solution

The fourth proportional to 85,741.44, 118,383.84 and 55,541.76 is: 76,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.44 : 118,383.84 = 55,541.76 : x
  2. Step 2: Convert to fraction form
    85,741.44/118,383.84 = 55,541.76/x
  3. Step 3: Cross multiply
    85,741.44x = 118,383.84 × 55,541.76
  4. Step 4: Simplify right side
    85,741.44x = 6,575,246,829.16
  5. Step 5: Solve for x
    x = 6,575,246,829.16/85,741.44
  6. Step 6: Final answer
    x = 76,686.92

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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.