Home / 71,733.40-107,141.12-64,968.88

Finding the Fourth Proportional to 71,733.40, 107,141.12 and 64,968.88

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Solution

The fourth proportional to 71,733.40, 107,141.12 and 64,968.88 is: 97,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,733.40 : 107,141.12 = 64,968.88 : x
  2. Step 2: Convert to fraction form
    71,733.40/107,141.12 = 64,968.88/x
  3. Step 3: Cross multiply
    71,733.40x = 107,141.12 × 64,968.88
  4. Step 4: Simplify right side
    71,733.40x = 6,960,838,568.35
  5. Step 5: Solve for x
    x = 6,960,838,568.35/71,733.40
  6. Step 6: Final answer
    x = 97,037.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.