Home / 93,378.42-128,863.31-50,937.66

Finding the Fourth Proportional to 93,378.42, 128,863.31 and 50,937.66

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Solution

The fourth proportional to 93,378.42, 128,863.31 and 50,937.66 is: 70,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,378.42 : 128,863.31 = 50,937.66 : x
  2. Step 2: Convert to fraction form
    93,378.42/128,863.31 = 50,937.66/x
  3. Step 3: Cross multiply
    93,378.42x = 128,863.31 × 50,937.66
  4. Step 4: Simplify right side
    93,378.42x = 6,563,995,216.57
  5. Step 5: Solve for x
    x = 6,563,995,216.57/93,378.42
  6. Step 6: Final answer
    x = 70,294.56

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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.