Home / 70,835.47-97,722.12-40,613.86

Finding the Fourth Proportional to 70,835.47, 97,722.12 and 40,613.86

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Solution

The fourth proportional to 70,835.47, 97,722.12 and 40,613.86 is: 56,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.47 : 97,722.12 = 40,613.86 : x
  2. Step 2: Convert to fraction form
    70,835.47/97,722.12 = 40,613.86/x
  3. Step 3: Cross multiply
    70,835.47x = 97,722.12 × 40,613.86
  4. Step 4: Simplify right side
    70,835.47x = 3,968,872,500.58
  5. Step 5: Solve for x
    x = 3,968,872,500.58/70,835.47
  6. Step 6: Final answer
    x = 56,029.45

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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.