Home / 90,589.16-125,024.57-54,779.43

Finding the Fourth Proportional to 90,589.16, 125,024.57 and 54,779.43

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Solution

The fourth proportional to 90,589.16, 125,024.57 and 54,779.43 is: 75,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,589.16 : 125,024.57 = 54,779.43 : x
  2. Step 2: Convert to fraction form
    90,589.16/125,024.57 = 54,779.43/x
  3. Step 3: Cross multiply
    90,589.16x = 125,024.57 × 54,779.43
  4. Step 4: Simplify right side
    90,589.16x = 6,848,774,680.60
  5. Step 5: Solve for x
    x = 6,848,774,680.60/90,589.16
  6. Step 6: Final answer
    x = 75,602.59

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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.