Home / 70,332.10-97,079.11-50,157.02

Finding the Fourth Proportional to 70,332.10, 97,079.11 and 50,157.02

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Solution

The fourth proportional to 70,332.10, 97,079.11 and 50,157.02 is: 69,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,332.10 : 97,079.11 = 50,157.02 : x
  2. Step 2: Convert to fraction form
    70,332.10/97,079.11 = 50,157.02/x
  3. Step 3: Cross multiply
    70,332.10x = 97,079.11 × 50,157.02
  4. Step 4: Simplify right side
    70,332.10x = 4,869,198,979.16
  5. Step 5: Solve for x
    x = 4,869,198,979.16/70,332.10
  6. Step 6: Final answer
    x = 69,231.53

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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.