Home / 85,805.93-118,407.34-50,001.77

Finding the Fourth Proportional to 85,805.93, 118,407.34 and 50,001.77

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Solution

The fourth proportional to 85,805.93, 118,407.34 and 50,001.77 is: 68,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,805.93 : 118,407.34 = 50,001.77 : x
  2. Step 2: Convert to fraction form
    85,805.93/118,407.34 = 50,001.77/x
  3. Step 3: Cross multiply
    85,805.93x = 118,407.34 × 50,001.77
  4. Step 4: Simplify right side
    85,805.93x = 5,920,576,580.99
  5. Step 5: Solve for x
    x = 5,920,576,580.99/85,805.93
  6. Step 6: Final answer
    x = 68,999.62

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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.