Home / 61,769.25-85,250.71-39,110.34

Finding the Fourth Proportional to 61,769.25, 85,250.71 and 39,110.34

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Solution

The fourth proportional to 61,769.25, 85,250.71 and 39,110.34 is: 53,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,769.25 : 85,250.71 = 39,110.34 : x
  2. Step 2: Convert to fraction form
    61,769.25/85,250.71 = 39,110.34/x
  3. Step 3: Cross multiply
    61,769.25x = 85,250.71 × 39,110.34
  4. Step 4: Simplify right side
    61,769.25x = 3,334,184,621.92
  5. Step 5: Solve for x
    x = 3,334,184,621.92/61,769.25
  6. Step 6: Final answer
    x = 53,978.07

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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.