Home / 90,342.04-135,521.40-23,782.52

Finding the Fourth Proportional to 90,342.04, 135,521.40 and 23,782.52

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Solution

The fourth proportional to 90,342.04, 135,521.40 and 23,782.52 is: 35,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,342.04 : 135,521.40 = 23,782.52 : x
  2. Step 2: Convert to fraction form
    90,342.04/135,521.40 = 23,782.52/x
  3. Step 3: Cross multiply
    90,342.04x = 135,521.40 × 23,782.52
  4. Step 4: Simplify right side
    90,342.04x = 3,223,040,405.93
  5. Step 5: Solve for x
    x = 3,223,040,405.93/90,342.04
  6. Step 6: Final answer
    x = 35,675.98

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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.