Home / 85,849.65-118,503.20-58,606.25

Finding the Fourth Proportional to 85,849.65, 118,503.20 and 58,606.25

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Solution

The fourth proportional to 85,849.65, 118,503.20 and 58,606.25 is: 80,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,849.65 : 118,503.20 = 58,606.25 : x
  2. Step 2: Convert to fraction form
    85,849.65/118,503.20 = 58,606.25/x
  3. Step 3: Cross multiply
    85,849.65x = 118,503.20 × 58,606.25
  4. Step 4: Simplify right side
    85,849.65x = 6,945,027,279.45
  5. Step 5: Solve for x
    x = 6,945,027,279.45/85,849.65
  6. Step 6: Final answer
    x = 80,897.56

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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.