Home / 70,334.63-97,064.19-38,503.55

Finding the Fourth Proportional to 70,334.63, 97,064.19 and 38,503.55

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Solution

The fourth proportional to 70,334.63, 97,064.19 and 38,503.55 is: 53,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.63 : 97,064.19 = 38,503.55 : x
  2. Step 2: Convert to fraction form
    70,334.63/97,064.19 = 38,503.55/x
  3. Step 3: Cross multiply
    70,334.63x = 97,064.19 × 38,503.55
  4. Step 4: Simplify right side
    70,334.63x = 3,737,316,135.53
  5. Step 5: Solve for x
    x = 3,737,316,135.53/70,334.63
  6. Step 6: Final answer
    x = 53,136.22

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1.5x scale

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.