Home / 70,070.16-96,694.38-39,853.20

Finding the Fourth Proportional to 70,070.16, 96,694.38 and 39,853.20

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Solution

The fourth proportional to 70,070.16, 96,694.38 and 39,853.20 is: 54,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.16 : 96,694.38 = 39,853.20 : x
  2. Step 2: Convert to fraction form
    70,070.16/96,694.38 = 39,853.20/x
  3. Step 3: Cross multiply
    70,070.16x = 96,694.38 × 39,853.20
  4. Step 4: Simplify right side
    70,070.16x = 3,853,580,465.02
  5. Step 5: Solve for x
    x = 3,853,580,465.02/70,070.16
  6. Step 6: Final answer
    x = 54,996.03

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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.