Home / 88,675.40-132,840.30-53,510.60

Finding the Fourth Proportional to 88,675.40, 132,840.30 and 53,510.60

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Solution

The fourth proportional to 88,675.40, 132,840.30 and 53,510.60 is: 80,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,675.40 : 132,840.30 = 53,510.60 : x
  2. Step 2: Convert to fraction form
    88,675.40/132,840.30 = 53,510.60/x
  3. Step 3: Cross multiply
    88,675.40x = 132,840.30 × 53,510.60
  4. Step 4: Simplify right side
    88,675.40x = 7,108,364,157.18
  5. Step 5: Solve for x
    x = 7,108,364,157.18/88,675.40
  6. Step 6: Final answer
    x = 80,161.62

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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.