Home / 71,053.36-98,048.32-40,838.76

Finding the Fourth Proportional to 71,053.36, 98,048.32 and 40,838.76

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Solution

The fourth proportional to 71,053.36, 98,048.32 and 40,838.76 is: 56,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.36 : 98,048.32 = 40,838.76 : x
  2. Step 2: Convert to fraction form
    71,053.36/98,048.32 = 40,838.76/x
  3. Step 3: Cross multiply
    71,053.36x = 98,048.32 × 40,838.76
  4. Step 4: Simplify right side
    71,053.36x = 4,004,171,808.88
  5. Step 5: Solve for x
    x = 4,004,171,808.88/71,053.36
  6. Step 6: Final answer
    x = 56,354.43

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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.