Home / 64,180.20-96,011.10-55,511.40

Finding the Fourth Proportional to 64,180.20, 96,011.10 and 55,511.40

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Solution

The fourth proportional to 64,180.20, 96,011.10 and 55,511.40 is: 83,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,180.20 : 96,011.10 = 55,511.40 : x
  2. Step 2: Convert to fraction form
    64,180.20/96,011.10 = 55,511.40/x
  3. Step 3: Cross multiply
    64,180.20x = 96,011.10 × 55,511.40
  4. Step 4: Simplify right side
    64,180.20x = 5,329,710,576.54
  5. Step 5: Solve for x
    x = 5,329,710,576.54/64,180.20
  6. Step 6: Final answer
    x = 83,042.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.