Home / 53,867.13-74,316.45-31,197.86

Finding the Fourth Proportional to 53,867.13, 74,316.45 and 31,197.86

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Solution

The fourth proportional to 53,867.13, 74,316.45 and 31,197.86 is: 43,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,867.13 : 74,316.45 = 31,197.86 : x
  2. Step 2: Convert to fraction form
    53,867.13/74,316.45 = 31,197.86/x
  3. Step 3: Cross multiply
    53,867.13x = 74,316.45 × 31,197.86
  4. Step 4: Simplify right side
    53,867.13x = 2,318,514,226.89
  5. Step 5: Solve for x
    x = 2,318,514,226.89/53,867.13
  6. Step 6: Final answer
    x = 43,041.36

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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.