Home / 70,350.16-97,082.36-38,518.38

Finding the Fourth Proportional to 70,350.16, 97,082.36 and 38,518.38

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Solution

The fourth proportional to 70,350.16, 97,082.36 and 38,518.38 is: 53,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.16 : 97,082.36 = 38,518.38 : x
  2. Step 2: Convert to fraction form
    70,350.16/97,082.36 = 38,518.38/x
  3. Step 3: Cross multiply
    70,350.16x = 97,082.36 × 38,518.38
  4. Step 4: Simplify right side
    70,350.16x = 3,739,455,233.78
  5. Step 5: Solve for x
    x = 3,739,455,233.78/70,350.16
  6. Step 6: Final answer
    x = 53,154.89

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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.