Home / 86,964.02-120,006.90-49,238.26

Finding the Fourth Proportional to 86,964.02, 120,006.90 and 49,238.26

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Solution

The fourth proportional to 86,964.02, 120,006.90 and 49,238.26 is: 67,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.02 : 120,006.90 = 49,238.26 : x
  2. Step 2: Convert to fraction form
    86,964.02/120,006.90 = 49,238.26/x
  3. Step 3: Cross multiply
    86,964.02x = 120,006.90 × 49,238.26
  4. Step 4: Simplify right side
    86,964.02x = 5,908,930,943.99
  5. Step 5: Solve for x
    x = 5,908,930,943.99/86,964.02
  6. Step 6: Final answer
    x = 67,946.85

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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.