Home / 69,347.12-95,701.49-39,130.68

Finding the Fourth Proportional to 69,347.12, 95,701.49 and 39,130.68

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Solution

The fourth proportional to 69,347.12, 95,701.49 and 39,130.68 is: 54,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,347.12 : 95,701.49 = 39,130.68 : x
  2. Step 2: Convert to fraction form
    69,347.12/95,701.49 = 39,130.68/x
  3. Step 3: Cross multiply
    69,347.12x = 95,701.49 × 39,130.68
  4. Step 4: Simplify right side
    69,347.12x = 3,744,864,185.06
  5. Step 5: Solve for x
    x = 3,744,864,185.06/69,347.12
  6. Step 6: Final answer
    x = 54,001.72

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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.