Home / 61,949.09-85,490.08-38,091.35

Finding the Fourth Proportional to 61,949.09, 85,490.08 and 38,091.35

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Solution

The fourth proportional to 61,949.09, 85,490.08 and 38,091.35 is: 52,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.09 : 85,490.08 = 38,091.35 : x
  2. Step 2: Convert to fraction form
    61,949.09/85,490.08 = 38,091.35/x
  3. Step 3: Cross multiply
    61,949.09x = 85,490.08 × 38,091.35
  4. Step 4: Simplify right side
    61,949.09x = 3,256,432,131.36
  5. Step 5: Solve for x
    x = 3,256,432,131.36/61,949.09
  6. Step 6: Final answer
    x = 52,566.27

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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.