Home / 61,587.23-85,003.99-40,039.48

Finding the Fourth Proportional to 61,587.23, 85,003.99 and 40,039.48

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Solution

The fourth proportional to 61,587.23, 85,003.99 and 40,039.48 is: 55,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,587.23 : 85,003.99 = 40,039.48 : x
  2. Step 2: Convert to fraction form
    61,587.23/85,003.99 = 40,039.48/x
  3. Step 3: Cross multiply
    61,587.23x = 85,003.99 × 40,039.48
  4. Step 4: Simplify right side
    61,587.23x = 3,403,515,244.92
  5. Step 5: Solve for x
    x = 3,403,515,244.92/61,587.23
  6. Step 6: Final answer
    x = 55,263.32

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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.