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Finding the Fourth Proportional to 70,237.68, 105,334.53 and 23,479.62

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Solution

The fourth proportional to 70,237.68, 105,334.53 and 23,479.62 is: 35,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,237.68 : 105,334.53 = 23,479.62 : x
  2. Step 2: Convert to fraction form
    70,237.68/105,334.53 = 23,479.62/x
  3. Step 3: Cross multiply
    70,237.68x = 105,334.53 × 23,479.62
  4. Step 4: Simplify right side
    70,237.68x = 2,473,214,737.28
  5. Step 5: Solve for x
    x = 2,473,214,737.28/70,237.68
  6. Step 6: Final answer
    x = 35,212.08

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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.