Home / 85,907.75-118,604.54-56,151.59

Finding the Fourth Proportional to 85,907.75, 118,604.54 and 56,151.59

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Solution

The fourth proportional to 85,907.75, 118,604.54 and 56,151.59 is: 77,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,907.75 : 118,604.54 = 56,151.59 : x
  2. Step 2: Convert to fraction form
    85,907.75/118,604.54 = 56,151.59/x
  3. Step 3: Cross multiply
    85,907.75x = 118,604.54 × 56,151.59
  4. Step 4: Simplify right side
    85,907.75x = 6,659,833,221.46
  5. Step 5: Solve for x
    x = 6,659,833,221.46/85,907.75
  6. Step 6: Final answer
    x = 77,523.08

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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.