Home / 69,740.16-96,241.64-37,909.16

Finding the Fourth Proportional to 69,740.16, 96,241.64 and 37,909.16

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Solution

The fourth proportional to 69,740.16, 96,241.64 and 37,909.16 is: 52,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.16 : 96,241.64 = 37,909.16 : x
  2. Step 2: Convert to fraction form
    69,740.16/96,241.64 = 37,909.16/x
  3. Step 3: Cross multiply
    69,740.16x = 96,241.64 × 37,909.16
  4. Step 4: Simplify right side
    69,740.16x = 3,648,439,729.42
  5. Step 5: Solve for x
    x = 3,648,439,729.42/69,740.16
  6. Step 6: Final answer
    x = 52,314.76

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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.