Home / 121,613.02-182,400.81-40,561.47

Finding the Fourth Proportional to 121,613.02, 182,400.81 and 40,561.47

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Solution

The fourth proportional to 121,613.02, 182,400.81 and 40,561.47 is: 60,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,613.02 : 182,400.81 = 40,561.47 : x
  2. Step 2: Convert to fraction form
    121,613.02/182,400.81 = 40,561.47/x
  3. Step 3: Cross multiply
    121,613.02x = 182,400.81 × 40,561.47
  4. Step 4: Simplify right side
    121,613.02x = 7,398,444,982.79
  5. Step 5: Solve for x
    x = 7,398,444,982.79/121,613.02
  6. Step 6: Final answer
    x = 60,835.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.