Home / 70,743.96-97,613.64-42,073.20

Finding the Fourth Proportional to 70,743.96, 97,613.64 and 42,073.20

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Solution

The fourth proportional to 70,743.96, 97,613.64 and 42,073.20 is: 58,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.96 : 97,613.64 = 42,073.20 : x
  2. Step 2: Convert to fraction form
    70,743.96/97,613.64 = 42,073.20/x
  3. Step 3: Cross multiply
    70,743.96x = 97,613.64 × 42,073.20
  4. Step 4: Simplify right side
    70,743.96x = 4,106,918,198.45
  5. Step 5: Solve for x
    x = 4,106,918,198.45/70,743.96
  6. Step 6: Final answer
    x = 58,053.27

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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.