Home / 82,854.42-114,302.73-55,987.14

Finding the Fourth Proportional to 82,854.42, 114,302.73 and 55,987.14

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Solution

The fourth proportional to 82,854.42, 114,302.73 and 55,987.14 is: 77,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,854.42 : 114,302.73 = 55,987.14 : x
  2. Step 2: Convert to fraction form
    82,854.42/114,302.73 = 55,987.14/x
  3. Step 3: Cross multiply
    82,854.42x = 114,302.73 × 55,987.14
  4. Step 4: Simplify right side
    82,854.42x = 6,399,482,946.89
  5. Step 5: Solve for x
    x = 6,399,482,946.89/82,854.42
  6. Step 6: Final answer
    x = 77,237.68

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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.