Home / 82,913.10-124,385.85-32,984.70

Finding the Fourth Proportional to 82,913.10, 124,385.85 and 32,984.70

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Solution

The fourth proportional to 82,913.10, 124,385.85 and 32,984.70 is: 49,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.10 : 124,385.85 = 32,984.70 : x
  2. Step 2: Convert to fraction form
    82,913.10/124,385.85 = 32,984.70/x
  3. Step 3: Cross multiply
    82,913.10x = 124,385.85 × 32,984.70
  4. Step 4: Simplify right side
    82,913.10x = 4,102,829,946.50
  5. Step 5: Solve for x
    x = 4,102,829,946.50/82,913.10
  6. Step 6: Final answer
    x = 49,483.49

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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.