Home / 70,051.62-96,669.30-38,220.50

Finding the Fourth Proportional to 70,051.62, 96,669.30 and 38,220.50

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Solution

The fourth proportional to 70,051.62, 96,669.30 and 38,220.50 is: 52,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.62 : 96,669.30 = 38,220.50 : x
  2. Step 2: Convert to fraction form
    70,051.62/96,669.30 = 38,220.50/x
  3. Step 3: Cross multiply
    70,051.62x = 96,669.30 × 38,220.50
  4. Step 4: Simplify right side
    70,051.62x = 3,694,748,980.65
  5. Step 5: Solve for x
    x = 3,694,748,980.65/70,051.62
  6. Step 6: Final answer
    x = 52,743.23

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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.