Home / 63,355.04-87,394.85-40,668.56

Finding the Fourth Proportional to 63,355.04, 87,394.85 and 40,668.56

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Solution

The fourth proportional to 63,355.04, 87,394.85 and 40,668.56 is: 56,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.04 : 87,394.85 = 40,668.56 : x
  2. Step 2: Convert to fraction form
    63,355.04/87,394.85 = 40,668.56/x
  3. Step 3: Cross multiply
    63,355.04x = 87,394.85 × 40,668.56
  4. Step 4: Simplify right side
    63,355.04x = 3,554,223,261.19
  5. Step 5: Solve for x
    x = 3,554,223,261.19/63,355.04
  6. Step 6: Final answer
    x = 56,100.08

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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.