Home / 82,851.60-124,277.40-41,379.60

Finding the Fourth Proportional to 82,851.60, 124,277.40 and 41,379.60

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Solution

The fourth proportional to 82,851.60, 124,277.40 and 41,379.60 is: 62,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,851.60 : 124,277.40 = 41,379.60 : x
  2. Step 2: Convert to fraction form
    82,851.60/124,277.40 = 41,379.60/x
  3. Step 3: Cross multiply
    82,851.60x = 124,277.40 × 41,379.60
  4. Step 4: Simplify right side
    82,851.60x = 5,142,549,101.04
  5. Step 5: Solve for x
    x = 5,142,549,101.04/82,851.60
  6. Step 6: Final answer
    x = 62,069.40

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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.