Home / 40,066.25-60,102.54-13,412.40

Finding the Fourth Proportional to 40,066.25, 60,102.54 and 13,412.40

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Solution

The fourth proportional to 40,066.25, 60,102.54 and 13,412.40 is: 20,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.25 : 60,102.54 = 13,412.40 : x
  2. Step 2: Convert to fraction form
    40,066.25/60,102.54 = 13,412.40/x
  3. Step 3: Cross multiply
    40,066.25x = 60,102.54 × 13,412.40
  4. Step 4: Simplify right side
    40,066.25x = 806,119,307.50
  5. Step 5: Solve for x
    x = 806,119,307.50/40,066.25
  6. Step 6: Final answer
    x = 20,119.66

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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.