Home / 70,262.37-96,960.06-38,430.57

Finding the Fourth Proportional to 70,262.37, 96,960.06 and 38,430.57

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Solution

The fourth proportional to 70,262.37, 96,960.06 and 38,430.57 is: 53,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,262.37 : 96,960.06 = 38,430.57 : x
  2. Step 2: Convert to fraction form
    70,262.37/96,960.06 = 38,430.57/x
  3. Step 3: Cross multiply
    70,262.37x = 96,960.06 × 38,430.57
  4. Step 4: Simplify right side
    70,262.37x = 3,726,230,373.03
  5. Step 5: Solve for x
    x = 3,726,230,373.03/70,262.37
  6. Step 6: Final answer
    x = 53,033.09

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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.