Home / 90,746.03-125,211.58-54,939.38

Finding the Fourth Proportional to 90,746.03, 125,211.58 and 54,939.38

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Solution

The fourth proportional to 90,746.03, 125,211.58 and 54,939.38 is: 75,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.03 : 125,211.58 = 54,939.38 : x
  2. Step 2: Convert to fraction form
    90,746.03/125,211.58 = 54,939.38/x
  3. Step 3: Cross multiply
    90,746.03x = 125,211.58 × 54,939.38
  4. Step 4: Simplify right side
    90,746.03x = 6,879,045,810.61
  5. Step 5: Solve for x
    x = 6,879,045,810.61/90,746.03
  6. Step 6: Final answer
    x = 75,805.47

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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.