Home / 93,332.82-128,799-50,891.25

Finding the Fourth Proportional to 93,332.82, 128,799 and 50,891.25

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Solution

The fourth proportional to 93,332.82, 128,799 and 50,891.25 is: 70,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,332.82 : 128,799 = 50,891.25 : x
  2. Step 2: Convert to fraction form
    93,332.82/128,799 = 50,891.25/x
  3. Step 3: Cross multiply
    93,332.82x = 128,799 × 50,891.25
  4. Step 4: Simplify right side
    93,332.82x = 6,554,742,108.75
  5. Step 5: Solve for x
    x = 6,554,742,108.75/93,332.82
  6. Step 6: Final answer
    x = 70,229.77

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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.