Home / 70,636.05-97,477.28-38,370.38

Finding the Fourth Proportional to 70,636.05, 97,477.28 and 38,370.38

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Solution

The fourth proportional to 70,636.05, 97,477.28 and 38,370.38 is: 52,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.05 : 97,477.28 = 38,370.38 : x
  2. Step 2: Convert to fraction form
    70,636.05/97,477.28 = 38,370.38/x
  3. Step 3: Cross multiply
    70,636.05x = 97,477.28 × 38,370.38
  4. Step 4: Simplify right side
    70,636.05x = 3,740,240,274.97
  5. Step 5: Solve for x
    x = 3,740,240,274.97/70,636.05
  6. Step 6: Final answer
    x = 52,950.87

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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.