Home / 90,563.80-135,668.98-59,304.28

Finding the Fourth Proportional to 90,563.80, 135,668.98 and 59,304.28

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Solution

The fourth proportional to 90,563.80, 135,668.98 and 59,304.28 is: 88,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,563.80 : 135,668.98 = 59,304.28 : x
  2. Step 2: Convert to fraction form
    90,563.80/135,668.98 = 59,304.28/x
  3. Step 3: Cross multiply
    90,563.80x = 135,668.98 × 59,304.28
  4. Step 4: Simplify right side
    90,563.80x = 8,045,751,177.23
  5. Step 5: Solve for x
    x = 8,045,751,177.23/90,563.80
  6. Step 6: Final answer
    x = 88,840.70

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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.