Home / 53,066.94-73,242.78-30,421.10

Finding the Fourth Proportional to 53,066.94, 73,242.78 and 30,421.10

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Solution

The fourth proportional to 53,066.94, 73,242.78 and 30,421.10 is: 41,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,066.94 : 73,242.78 = 30,421.10 : x
  2. Step 2: Convert to fraction form
    53,066.94/73,242.78 = 30,421.10/x
  3. Step 3: Cross multiply
    53,066.94x = 73,242.78 × 30,421.10
  4. Step 4: Simplify right side
    53,066.94x = 2,228,125,934.66
  5. Step 5: Solve for x
    x = 2,228,125,934.66/53,066.94
  6. Step 6: Final answer
    x = 41,987.08

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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.