Home / 83,459.63-115,179.30-51,197.88

Finding the Fourth Proportional to 83,459.63, 115,179.30 and 51,197.88

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Solution

The fourth proportional to 83,459.63, 115,179.30 and 51,197.88 is: 70,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.63 : 115,179.30 = 51,197.88 : x
  2. Step 2: Convert to fraction form
    83,459.63/115,179.30 = 51,197.88/x
  3. Step 3: Cross multiply
    83,459.63x = 115,179.30 × 51,197.88
  4. Step 4: Simplify right side
    83,459.63x = 5,896,936,411.81
  5. Step 5: Solve for x
    x = 5,896,936,411.81/83,459.63
  6. Step 6: Final answer
    x = 70,656.15

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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.