Home / 70,346.92-97,078.73-38,515.81

Finding the Fourth Proportional to 70,346.92, 97,078.73 and 38,515.81

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Solution

The fourth proportional to 70,346.92, 97,078.73 and 38,515.81 is: 53,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.92 : 97,078.73 = 38,515.81 : x
  2. Step 2: Convert to fraction form
    70,346.92/97,078.73 = 38,515.81/x
  3. Step 3: Cross multiply
    70,346.92x = 97,078.73 × 38,515.81
  4. Step 4: Simplify right side
    70,346.92x = 3,739,066,016.01
  5. Step 5: Solve for x
    x = 3,739,066,016.01/70,346.92
  6. Step 6: Final answer
    x = 53,151.81

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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.