Home / 70,134.21-96,783.71-38,303.24

Finding the Fourth Proportional to 70,134.21, 96,783.71 and 38,303.24

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Solution

The fourth proportional to 70,134.21, 96,783.71 and 38,303.24 is: 52,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134.21 : 96,783.71 = 38,303.24 : x
  2. Step 2: Convert to fraction form
    70,134.21/96,783.71 = 38,303.24/x
  3. Step 3: Cross multiply
    70,134.21x = 96,783.71 × 38,303.24
  4. Step 4: Simplify right side
    70,134.21x = 3,707,128,996.79
  5. Step 5: Solve for x
    x = 3,707,128,996.79/70,134.21
  6. Step 6: Final answer
    x = 52,857.64

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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.