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Finding the Fourth Proportional to 70,035.76, 96,661.88 and 41,743.24

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Solution

The fourth proportional to 70,035.76, 96,661.88 and 41,743.24 is: 57,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.76 : 96,661.88 = 41,743.24 : x
  2. Step 2: Convert to fraction form
    70,035.76/96,661.88 = 41,743.24/x
  3. Step 3: Cross multiply
    70,035.76x = 96,661.88 × 41,743.24
  4. Step 4: Simplify right side
    70,035.76x = 4,034,980,055.69
  5. Step 5: Solve for x
    x = 4,034,980,055.69/70,035.76
  6. Step 6: Final answer
    x = 57,613.14

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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.