Home / 70,349.55-97,082.35-38,518.44

Finding the Fourth Proportional to 70,349.55, 97,082.35 and 38,518.44

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Solution

The fourth proportional to 70,349.55, 97,082.35 and 38,518.44 is: 53,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.55 : 97,082.35 = 38,518.44 : x
  2. Step 2: Convert to fraction form
    70,349.55/97,082.35 = 38,518.44/x
  3. Step 3: Cross multiply
    70,349.55x = 97,082.35 × 38,518.44
  4. Step 4: Simplify right side
    70,349.55x = 3,739,460,673.53
  5. Step 5: Solve for x
    x = 3,739,460,673.53/70,349.55
  6. Step 6: Final answer
    x = 53,155.43

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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.