Home / 92,908.20-128,210.61-50,466.63

Finding the Fourth Proportional to 92,908.20, 128,210.61 and 50,466.63

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Solution

The fourth proportional to 92,908.20, 128,210.61 and 50,466.63 is: 69,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.20 : 128,210.61 = 50,466.63 : x
  2. Step 2: Convert to fraction form
    92,908.20/128,210.61 = 50,466.63/x
  3. Step 3: Cross multiply
    92,908.20x = 128,210.61 × 50,466.63
  4. Step 4: Simplify right side
    92,908.20x = 6,470,357,416.94
  5. Step 5: Solve for x
    x = 6,470,357,416.94/92,908.20
  6. Step 6: Final answer
    x = 69,642.48

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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.