Home / 88,012.45-132,031.23-28,835.47

Finding the Fourth Proportional to 88,012.45, 132,031.23 and 28,835.47

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Solution

The fourth proportional to 88,012.45, 132,031.23 and 28,835.47 is: 43,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012.45 : 132,031.23 = 28,835.47 : x
  2. Step 2: Convert to fraction form
    88,012.45/132,031.23 = 28,835.47/x
  3. Step 3: Cross multiply
    88,012.45x = 132,031.23 × 28,835.47
  4. Step 4: Simplify right side
    88,012.45x = 3,807,182,571.73
  5. Step 5: Solve for x
    x = 3,807,182,571.73/88,012.45
  6. Step 6: Final answer
    x = 43,257.32

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1.5x scale

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.