Home / 92,865.06-128,154.06-50,423.58

Finding the Fourth Proportional to 92,865.06, 128,154.06 and 50,423.58

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Solution

The fourth proportional to 92,865.06, 128,154.06 and 50,423.58 is: 69,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,865.06 : 128,154.06 = 50,423.58 : x
  2. Step 2: Convert to fraction form
    92,865.06/128,154.06 = 50,423.58/x
  3. Step 3: Cross multiply
    92,865.06x = 128,154.06 × 50,423.58
  4. Step 4: Simplify right side
    92,865.06x = 6,461,986,496.73
  5. Step 5: Solve for x
    x = 6,461,986,496.73/92,865.06
  6. Step 6: Final answer
    x = 69,584.69

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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.