Home / 85,534.44-118,008.60-55,357.92

Finding the Fourth Proportional to 85,534.44, 118,008.60 and 55,357.92

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Solution

The fourth proportional to 85,534.44, 118,008.60 and 55,357.92 is: 76,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.44 : 118,008.60 = 55,357.92 : x
  2. Step 2: Convert to fraction form
    85,534.44/118,008.60 = 55,357.92/x
  3. Step 3: Cross multiply
    85,534.44x = 118,008.60 × 55,357.92
  4. Step 4: Simplify right side
    85,534.44x = 6,532,710,638.11
  5. Step 5: Solve for x
    x = 6,532,710,638.11/85,534.44
  6. Step 6: Final answer
    x = 76,375.21

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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.