Home / 82,547.70-123,779.97-40,430.94

Finding the Fourth Proportional to 82,547.70, 123,779.97 and 40,430.94

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Solution

The fourth proportional to 82,547.70, 123,779.97 and 40,430.94 is: 60,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,547.70 : 123,779.97 = 40,430.94 : x
  2. Step 2: Convert to fraction form
    82,547.70/123,779.97 = 40,430.94/x
  3. Step 3: Cross multiply
    82,547.70x = 123,779.97 × 40,430.94
  4. Step 4: Simplify right side
    82,547.70x = 5,004,540,540.27
  5. Step 5: Solve for x
    x = 5,004,540,540.27/82,547.70
  6. Step 6: Final answer
    x = 60,626.04

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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.