Home / 82,779.71-124,170.74-23,615.38

Finding the Fourth Proportional to 82,779.71, 124,170.74 and 23,615.38

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Solution

The fourth proportional to 82,779.71, 124,170.74 and 23,615.38 is: 35,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,779.71 : 124,170.74 = 23,615.38 : x
  2. Step 2: Convert to fraction form
    82,779.71/124,170.74 = 23,615.38/x
  3. Step 3: Cross multiply
    82,779.71x = 124,170.74 × 23,615.38
  4. Step 4: Simplify right side
    82,779.71x = 2,932,338,958.59
  5. Step 5: Solve for x
    x = 2,932,338,958.59/82,779.71
  6. Step 6: Final answer
    x = 35,423.40

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1.5x scale

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.