Home / 80,926.00-121,463.87-40,973.06

Finding the Fourth Proportional to 80,926.00, 121,463.87 and 40,973.06

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Solution

The fourth proportional to 80,926.00, 121,463.87 and 40,973.06 is: 61,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.00 : 121,463.87 = 40,973.06 : x
  2. Step 2: Convert to fraction form
    80,926.00/121,463.87 = 40,973.06/x
  3. Step 3: Cross multiply
    80,926.00x = 121,463.87 × 40,973.06
  4. Step 4: Simplify right side
    80,926.00x = 4,976,746,532.14
  5. Step 5: Solve for x
    x = 4,976,746,532.14/80,926.00
  6. Step 6: Final answer
    x = 61,497.50

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1.5x scale

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.