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Finding the Fourth Proportional to 70,107.35, 105,160.01 and 32,646.47

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Solution

The fourth proportional to 70,107.35, 105,160.01 and 32,646.47 is: 48,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.35 : 105,160.01 = 32,646.47 : x
  2. Step 2: Convert to fraction form
    70,107.35/105,160.01 = 32,646.47/x
  3. Step 3: Cross multiply
    70,107.35x = 105,160.01 × 32,646.47
  4. Step 4: Simplify right side
    70,107.35x = 3,433,102,422.63
  5. Step 5: Solve for x
    x = 3,433,102,422.63/70,107.35
  6. Step 6: Final answer
    x = 48,969.23

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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.