Home / 70,400.36-97,151.67-38,134.35

Finding the Fourth Proportional to 70,400.36, 97,151.67 and 38,134.35

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Solution

The fourth proportional to 70,400.36, 97,151.67 and 38,134.35 is: 52,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.36 : 97,151.67 = 38,134.35 : x
  2. Step 2: Convert to fraction form
    70,400.36/97,151.67 = 38,134.35/x
  3. Step 3: Cross multiply
    70,400.36x = 97,151.67 × 38,134.35
  4. Step 4: Simplify right side
    70,400.36x = 3,704,815,786.86
  5. Step 5: Solve for x
    x = 3,704,815,786.86/70,400.36
  6. Step 6: Final answer
    x = 52,624.96

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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.