Home / 70,388.62-97,136.32-38,558.04

Finding the Fourth Proportional to 70,388.62, 97,136.32 and 38,558.04

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Solution

The fourth proportional to 70,388.62, 97,136.32 and 38,558.04 is: 53,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.62 : 97,136.32 = 38,558.04 : x
  2. Step 2: Convert to fraction form
    70,388.62/97,136.32 = 38,558.04/x
  3. Step 3: Cross multiply
    70,388.62x = 97,136.32 × 38,558.04
  4. Step 4: Simplify right side
    70,388.62x = 3,745,386,112.01
  5. Step 5: Solve for x
    x = 3,745,386,112.01/70,388.62
  6. Step 6: Final answer
    x = 53,210.11

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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.