Home / 55,236.09-76,225.81-30,085.59

Finding the Fourth Proportional to 55,236.09, 76,225.81 and 30,085.59

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Solution

The fourth proportional to 55,236.09, 76,225.81 and 30,085.59 is: 41,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.09 : 76,225.81 = 30,085.59 : x
  2. Step 2: Convert to fraction form
    55,236.09/76,225.81 = 30,085.59/x
  3. Step 3: Cross multiply
    55,236.09x = 76,225.81 × 30,085.59
  4. Step 4: Simplify right side
    55,236.09x = 2,293,298,734.12
  5. Step 5: Solve for x
    x = 2,293,298,734.12/55,236.09
  6. Step 6: Final answer
    x = 41,518.12

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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.