Home / 70,042.20-96,653.22-38,210.40

Finding the Fourth Proportional to 70,042.20, 96,653.22 and 38,210.40

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Solution

The fourth proportional to 70,042.20, 96,653.22 and 38,210.40 is: 52,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.20 : 96,653.22 = 38,210.40 : x
  2. Step 2: Convert to fraction form
    70,042.20/96,653.22 = 38,210.40/x
  3. Step 3: Cross multiply
    70,042.20x = 96,653.22 × 38,210.40
  4. Step 4: Simplify right side
    70,042.20x = 3,693,158,197.49
  5. Step 5: Solve for x
    x = 3,693,158,197.49/70,042.20
  6. Step 6: Final answer
    x = 52,727.62

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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.