Home / 92,846.16-128,127.60-50,405.76

Finding the Fourth Proportional to 92,846.16, 128,127.60 and 50,405.76

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Solution

The fourth proportional to 92,846.16, 128,127.60 and 50,405.76 is: 69,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,846.16 : 128,127.60 = 50,405.76 : x
  2. Step 2: Convert to fraction form
    92,846.16/128,127.60 = 50,405.76/x
  3. Step 3: Cross multiply
    92,846.16x = 128,127.60 × 50,405.76
  4. Step 4: Simplify right side
    92,846.16x = 6,458,369,054.98
  5. Step 5: Solve for x
    x = 6,458,369,054.98/92,846.16
  6. Step 6: Final answer
    x = 69,559.89

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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.