Home / 70,051.32-96,670.50-38,220.12

Finding the Fourth Proportional to 70,051.32, 96,670.50 and 38,220.12

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Solution

The fourth proportional to 70,051.32, 96,670.50 and 38,220.12 is: 52,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.32 : 96,670.50 = 38,220.12 : x
  2. Step 2: Convert to fraction form
    70,051.32/96,670.50 = 38,220.12/x
  3. Step 3: Cross multiply
    70,051.32x = 96,670.50 × 38,220.12
  4. Step 4: Simplify right side
    70,051.32x = 3,694,758,110.46
  5. Step 5: Solve for x
    x = 3,694,758,110.46/70,051.32
  6. Step 6: Final answer
    x = 52,743.59

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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.