Home / 69,740.16-96,243.32-37,911.20

Finding the Fourth Proportional to 69,740.16, 96,243.32 and 37,911.20

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Solution

The fourth proportional to 69,740.16, 96,243.32 and 37,911.20 is: 52,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.16 : 96,243.32 = 37,911.20 : x
  2. Step 2: Convert to fraction form
    69,740.16/96,243.32 = 37,911.20/x
  3. Step 3: Cross multiply
    69,740.16x = 96,243.32 × 37,911.20
  4. Step 4: Simplify right side
    69,740.16x = 3,648,699,753.18
  5. Step 5: Solve for x
    x = 3,648,699,753.18/69,740.16
  6. Step 6: Final answer
    x = 52,318.49

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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.