Home / 70,334.86-97,064.40-38,503.75

Finding the Fourth Proportional to 70,334.86, 97,064.40 and 38,503.75

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Solution

The fourth proportional to 70,334.86, 97,064.40 and 38,503.75 is: 53,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.86 : 97,064.40 = 38,503.75 : x
  2. Step 2: Convert to fraction form
    70,334.86/97,064.40 = 38,503.75/x
  3. Step 3: Cross multiply
    70,334.86x = 97,064.40 × 38,503.75
  4. Step 4: Simplify right side
    70,334.86x = 3,737,343,391.50
  5. Step 5: Solve for x
    x = 3,737,343,391.50/70,334.86
  6. Step 6: Final answer
    x = 53,136.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.