Home / 93,154.32-128,555.64-50,713.56

Finding the Fourth Proportional to 93,154.32, 128,555.64 and 50,713.56

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Solution

The fourth proportional to 93,154.32, 128,555.64 and 50,713.56 is: 69,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,154.32 : 128,555.64 = 50,713.56 : x
  2. Step 2: Convert to fraction form
    93,154.32/128,555.64 = 50,713.56/x
  3. Step 3: Cross multiply
    93,154.32x = 128,555.64 × 50,713.56
  4. Step 4: Simplify right side
    93,154.32x = 6,519,514,162.48
  5. Step 5: Solve for x
    x = 6,519,514,162.48/93,154.32
  6. Step 6: Final answer
    x = 69,986.17

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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.