Home / 53,670.81-80,518.88-52,778.26

Finding the Fourth Proportional to 53,670.81, 80,518.88 and 52,778.26

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Solution

The fourth proportional to 53,670.81, 80,518.88 and 52,778.26 is: 79,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.81 : 80,518.88 = 52,778.26 : x
  2. Step 2: Convert to fraction form
    53,670.81/80,518.88 = 52,778.26/x
  3. Step 3: Cross multiply
    53,670.81x = 80,518.88 × 52,778.26
  4. Step 4: Simplify right side
    53,670.81x = 4,249,646,383.55
  5. Step 5: Solve for x
    x = 4,249,646,383.55/53,670.81
  6. Step 6: Final answer
    x = 79,179.84

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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.