Home / 92,957.67-128,282.40-50,516.20

Finding the Fourth Proportional to 92,957.67, 128,282.40 and 50,516.20

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Solution

The fourth proportional to 92,957.67, 128,282.40 and 50,516.20 is: 69,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,957.67 : 128,282.40 = 50,516.20 : x
  2. Step 2: Convert to fraction form
    92,957.67/128,282.40 = 50,516.20/x
  3. Step 3: Cross multiply
    92,957.67x = 128,282.40 × 50,516.20
  4. Step 4: Simplify right side
    92,957.67x = 6,480,339,374.88
  5. Step 5: Solve for x
    x = 6,480,339,374.88/92,957.67
  6. Step 6: Final answer
    x = 69,712.80

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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.