Home / 92,957.14-128,280.22-50,515.66

Finding the Fourth Proportional to 92,957.14, 128,280.22 and 50,515.66

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Solution

The fourth proportional to 92,957.14, 128,280.22 and 50,515.66 is: 69,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,957.14 : 128,280.22 = 50,515.66 : x
  2. Step 2: Convert to fraction form
    92,957.14/128,280.22 = 50,515.66/x
  3. Step 3: Cross multiply
    92,957.14x = 128,280.22 × 50,515.66
  4. Step 4: Simplify right side
    92,957.14x = 6,480,159,978.25
  5. Step 5: Solve for x
    x = 6,480,159,978.25/92,957.14
  6. Step 6: Final answer
    x = 69,711.27

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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.