Home / 70,130.48-96,780.83-38,300.31

Finding the Fourth Proportional to 70,130.48, 96,780.83 and 38,300.31

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Solution

The fourth proportional to 70,130.48, 96,780.83 and 38,300.31 is: 52,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130.48 : 96,780.83 = 38,300.31 : x
  2. Step 2: Convert to fraction form
    70,130.48/96,780.83 = 38,300.31/x
  3. Step 3: Cross multiply
    70,130.48x = 96,780.83 × 38,300.31
  4. Step 4: Simplify right side
    70,130.48x = 3,706,735,599.56
  5. Step 5: Solve for x
    x = 3,706,735,599.56/70,130.48
  6. Step 6: Final answer
    x = 52,854.85

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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.