Home / 62,743.68-86,626.80-38,895.84

Finding the Fourth Proportional to 62,743.68, 86,626.80 and 38,895.84

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Solution

The fourth proportional to 62,743.68, 86,626.80 and 38,895.84 is: 53,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,743.68 : 86,626.80 = 38,895.84 : x
  2. Step 2: Convert to fraction form
    62,743.68/86,626.80 = 38,895.84/x
  3. Step 3: Cross multiply
    62,743.68x = 86,626.80 × 38,895.84
  4. Step 4: Simplify right side
    62,743.68x = 3,369,422,152.51
  5. Step 5: Solve for x
    x = 3,369,422,152.51/62,743.68
  6. Step 6: Final answer
    x = 53,701.38

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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.