Home / 93,378.72-128,862.18-50,936.88

Finding the Fourth Proportional to 93,378.72, 128,862.18 and 50,936.88

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Solution

The fourth proportional to 93,378.72, 128,862.18 and 50,936.88 is: 70,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,378.72 : 128,862.18 = 50,936.88 : x
  2. Step 2: Convert to fraction form
    93,378.72/128,862.18 = 50,936.88/x
  3. Step 3: Cross multiply
    93,378.72x = 128,862.18 × 50,936.88
  4. Step 4: Simplify right side
    93,378.72x = 6,563,837,399.20
  5. Step 5: Solve for x
    x = 6,563,837,399.20/93,378.72
  6. Step 6: Final answer
    x = 70,292.65

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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.