Home / 92,855.40-128,148.38-52,576.26

Finding the Fourth Proportional to 92,855.40, 128,148.38 and 52,576.26

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Solution

The fourth proportional to 92,855.40, 128,148.38 and 52,576.26 is: 72,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.40 : 128,148.38 = 52,576.26 : x
  2. Step 2: Convert to fraction form
    92,855.40/128,148.38 = 52,576.26/x
  3. Step 3: Cross multiply
    92,855.40x = 128,148.38 × 52,576.26
  4. Step 4: Simplify right side
    92,855.40x = 6,737,562,545.46
  5. Step 5: Solve for x
    x = 6,737,562,545.46/92,855.40
  6. Step 6: Final answer
    x = 72,559.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.