Home / 70,256.57-96,952.01-38,424.78

Finding the Fourth Proportional to 70,256.57, 96,952.01 and 38,424.78

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Solution

The fourth proportional to 70,256.57, 96,952.01 and 38,424.78 is: 53,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,256.57 : 96,952.01 = 38,424.78 : x
  2. Step 2: Convert to fraction form
    70,256.57/96,952.01 = 38,424.78/x
  3. Step 3: Cross multiply
    70,256.57x = 96,952.01 × 38,424.78
  4. Step 4: Simplify right side
    70,256.57x = 3,725,359,462.68
  5. Step 5: Solve for x
    x = 3,725,359,462.68/70,256.57
  6. Step 6: Final answer
    x = 53,025.07

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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.