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Finding the Fourth Proportional to 70,300.84, 105,451.24 and 35,232.28

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Solution

The fourth proportional to 70,300.84, 105,451.24 and 35,232.28 is: 52,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.84 : 105,451.24 = 35,232.28 : x
  2. Step 2: Convert to fraction form
    70,300.84/105,451.24 = 35,232.28/x
  3. Step 3: Cross multiply
    70,300.84x = 105,451.24 × 35,232.28
  4. Step 4: Simplify right side
    70,300.84x = 3,715,287,614.03
  5. Step 5: Solve for x
    x = 3,715,287,614.03/70,300.84
  6. Step 6: Final answer
    x = 52,848.41

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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.