Home / 90,424.23-124,779.33-52,185.38

Finding the Fourth Proportional to 90,424.23, 124,779.33 and 52,185.38

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Solution

The fourth proportional to 90,424.23, 124,779.33 and 52,185.38 is: 72,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,424.23 : 124,779.33 = 52,185.38 : x
  2. Step 2: Convert to fraction form
    90,424.23/124,779.33 = 52,185.38/x
  3. Step 3: Cross multiply
    90,424.23x = 124,779.33 × 52,185.38
  4. Step 4: Simplify right side
    90,424.23x = 6,511,656,128.30
  5. Step 5: Solve for x
    x = 6,511,656,128.30/90,424.23
  6. Step 6: Final answer
    x = 72,012.29

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1.5x scale

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.