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Finding the Fourth Proportional to 70,637.37, 105,916.11 and 23,239.63

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Solution

The fourth proportional to 70,637.37, 105,916.11 and 23,239.63 is: 34,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.37 : 105,916.11 = 23,239.63 : x
  2. Step 2: Convert to fraction form
    70,637.37/105,916.11 = 23,239.63/x
  3. Step 3: Cross multiply
    70,637.37x = 105,916.11 × 23,239.63
  4. Step 4: Simplify right side
    70,637.37x = 2,461,451,207.44
  5. Step 5: Solve for x
    x = 2,461,451,207.44/70,637.37
  6. Step 6: Final answer
    x = 34,846.30

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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.