Home / 82,632.50-114,333.09-72,044.18

Finding the Fourth Proportional to 82,632.50, 114,333.09 and 72,044.18

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Solution

The fourth proportional to 82,632.50, 114,333.09 and 72,044.18 is: 99,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632.50 : 114,333.09 = 72,044.18 : x
  2. Step 2: Convert to fraction form
    82,632.50/114,333.09 = 72,044.18/x
  3. Step 3: Cross multiply
    82,632.50x = 114,333.09 × 72,044.18
  4. Step 4: Simplify right side
    82,632.50x = 8,237,033,715.92
  5. Step 5: Solve for x
    x = 8,237,033,715.92/82,632.50
  6. Step 6: Final answer
    x = 99,682.74

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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.