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Finding the Fourth Proportional to 70,085.88, 96,703.74 and 41,800.68

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Solution

The fourth proportional to 70,085.88, 96,703.74 and 41,800.68 is: 57,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,085.88 : 96,703.74 = 41,800.68 : x
  2. Step 2: Convert to fraction form
    70,085.88/96,703.74 = 41,800.68/x
  3. Step 3: Cross multiply
    70,085.88x = 96,703.74 × 41,800.68
  4. Step 4: Simplify right side
    70,085.88x = 4,042,282,090.54
  5. Step 5: Solve for x
    x = 4,042,282,090.54/70,085.88
  6. Step 6: Final answer
    x = 57,676.13

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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.