Home / 70,040.43-96,653.88-38,209.32

Finding the Fourth Proportional to 70,040.43, 96,653.88 and 38,209.32

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Solution

The fourth proportional to 70,040.43, 96,653.88 and 38,209.32 is: 52,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.43 : 96,653.88 = 38,209.32 : x
  2. Step 2: Convert to fraction form
    70,040.43/96,653.88 = 38,209.32/x
  3. Step 3: Cross multiply
    70,040.43x = 96,653.88 × 38,209.32
  4. Step 4: Simplify right side
    70,040.43x = 3,693,079,030.16
  5. Step 5: Solve for x
    x = 3,693,079,030.16/70,040.43
  6. Step 6: Final answer
    x = 52,727.82

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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.