Home / 88,122.51-132,203.21-28,955.66

Finding the Fourth Proportional to 88,122.51, 132,203.21 and 28,955.66

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Solution

The fourth proportional to 88,122.51, 132,203.21 and 28,955.66 is: 43,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.51 : 132,203.21 = 28,955.66 : x
  2. Step 2: Convert to fraction form
    88,122.51/132,203.21 = 28,955.66/x
  3. Step 3: Cross multiply
    88,122.51x = 132,203.21 × 28,955.66
  4. Step 4: Simplify right side
    88,122.51x = 3,828,030,393.87
  5. Step 5: Solve for x
    x = 3,828,030,393.87/88,122.51
  6. Step 6: Final answer
    x = 43,439.87

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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.