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Finding the Fourth Proportional to 70,426.87, 105,573.78 and 23,646.94

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Solution

The fourth proportional to 70,426.87, 105,573.78 and 23,646.94 is: 35,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,426.87 : 105,573.78 = 23,646.94 : x
  2. Step 2: Convert to fraction form
    70,426.87/105,573.78 = 23,646.94/x
  3. Step 3: Cross multiply
    70,426.87x = 105,573.78 × 23,646.94
  4. Step 4: Simplify right side
    70,426.87x = 2,496,496,577.30
  5. Step 5: Solve for x
    x = 2,496,496,577.30/70,426.87
  6. Step 6: Final answer
    x = 35,448.07

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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.