Home / 68,722.08-94,703.76-48,815.52

Finding the Fourth Proportional to 68,722.08, 94,703.76 and 48,815.52

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Solution

The fourth proportional to 68,722.08, 94,703.76 and 48,815.52 is: 67,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.08 : 94,703.76 = 48,815.52 : x
  2. Step 2: Convert to fraction form
    68,722.08/94,703.76 = 48,815.52/x
  3. Step 3: Cross multiply
    68,722.08x = 94,703.76 × 48,815.52
  4. Step 4: Simplify right side
    68,722.08x = 4,623,013,290.36
  5. Step 5: Solve for x
    x = 4,623,013,290.36/68,722.08
  6. Step 6: Final answer
    x = 67,271.15

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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.