Home / 90,342.32-135,559.74-43,010.96

Finding the Fourth Proportional to 90,342.32, 135,559.74 and 43,010.96

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Solution

The fourth proportional to 90,342.32, 135,559.74 and 43,010.96 is: 64,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,342.32 : 135,559.74 = 43,010.96 : x
  2. Step 2: Convert to fraction form
    90,342.32/135,559.74 = 43,010.96/x
  3. Step 3: Cross multiply
    90,342.32x = 135,559.74 × 43,010.96
  4. Step 4: Simplify right side
    90,342.32x = 5,830,554,554.75
  5. Step 5: Solve for x
    x = 5,830,554,554.75/90,342.32
  6. Step 6: Final answer
    x = 64,538.46

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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.