Home / 70,066.29-96,694.14-39,854.40

Finding the Fourth Proportional to 70,066.29, 96,694.14 and 39,854.40

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Solution

The fourth proportional to 70,066.29, 96,694.14 and 39,854.40 is: 55,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066.29 : 96,694.14 = 39,854.40 : x
  2. Step 2: Convert to fraction form
    70,066.29/96,694.14 = 39,854.40/x
  3. Step 3: Cross multiply
    70,066.29x = 96,694.14 × 39,854.40
  4. Step 4: Simplify right side
    70,066.29x = 3,853,686,933.22
  5. Step 5: Solve for x
    x = 3,853,686,933.22/70,066.29
  6. Step 6: Final answer
    x = 55,000.58

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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.