Home / 70,428.48-97,192.05-38,596.68

Finding the Fourth Proportional to 70,428.48, 97,192.05 and 38,596.68

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Solution

The fourth proportional to 70,428.48, 97,192.05 and 38,596.68 is: 53,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.48 : 97,192.05 = 38,596.68 : x
  2. Step 2: Convert to fraction form
    70,428.48/97,192.05 = 38,596.68/x
  3. Step 3: Cross multiply
    70,428.48x = 97,192.05 × 38,596.68
  4. Step 4: Simplify right side
    70,428.48x = 3,751,290,452.39
  5. Step 5: Solve for x
    x = 3,751,290,452.39/70,428.48
  6. Step 6: Final answer
    x = 53,263.83

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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.