Home / 92,881.17-128,174.67-50,439.60

Finding the Fourth Proportional to 92,881.17, 128,174.67 and 50,439.60

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Solution

The fourth proportional to 92,881.17, 128,174.67 and 50,439.60 is: 69,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.17 : 128,174.67 = 50,439.60 : x
  2. Step 2: Convert to fraction form
    92,881.17/128,174.67 = 50,439.60/x
  3. Step 3: Cross multiply
    92,881.17x = 128,174.67 × 50,439.60
  4. Step 4: Simplify right side
    92,881.17x = 6,465,079,084.93
  5. Step 5: Solve for x
    x = 6,465,079,084.93/92,881.17
  6. Step 6: Final answer
    x = 69,605.92

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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.