Home / 92,963.04-128,289.79-50,521.56

Finding the Fourth Proportional to 92,963.04, 128,289.79 and 50,521.56

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Solution

The fourth proportional to 92,963.04, 128,289.79 and 50,521.56 is: 69,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963.04 : 128,289.79 = 50,521.56 : x
  2. Step 2: Convert to fraction form
    92,963.04/128,289.79 = 50,521.56/x
  3. Step 3: Cross multiply
    92,963.04x = 128,289.79 × 50,521.56
  4. Step 4: Simplify right side
    92,963.04x = 6,481,400,322.87
  5. Step 5: Solve for x
    x = 6,481,400,322.87/92,963.04
  6. Step 6: Final answer
    x = 69,720.18

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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.