Home / 70,051.80-96,671.28-38,220.72

Finding the Fourth Proportional to 70,051.80, 96,671.28 and 38,220.72

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Solution

The fourth proportional to 70,051.80, 96,671.28 and 38,220.72 is: 52,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.80 : 96,671.28 = 38,220.72 : x
  2. Step 2: Convert to fraction form
    70,051.80/96,671.28 = 38,220.72/x
  3. Step 3: Cross multiply
    70,051.80x = 96,671.28 × 38,220.72
  4. Step 4: Simplify right side
    70,051.80x = 3,694,845,924.92
  5. Step 5: Solve for x
    x = 3,694,845,924.92/70,051.80
  6. Step 6: Final answer
    x = 52,744.48

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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.