Home / 70,255.35-96,953.81-38,426.30

Finding the Fourth Proportional to 70,255.35, 96,953.81 and 38,426.30

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Solution

The fourth proportional to 70,255.35, 96,953.81 and 38,426.30 is: 53,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,255.35 : 96,953.81 = 38,426.30 : x
  2. Step 2: Convert to fraction form
    70,255.35/96,953.81 = 38,426.30/x
  3. Step 3: Cross multiply
    70,255.35x = 96,953.81 × 38,426.30
  4. Step 4: Simplify right side
    70,255.35x = 3,725,575,512.30
  5. Step 5: Solve for x
    x = 3,725,575,512.30/70,255.35
  6. Step 6: Final answer
    x = 53,029.06

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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.