Home / 62,616.08-86,412.28-34,321.84

Finding the Fourth Proportional to 62,616.08, 86,412.28 and 34,321.84

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Solution

The fourth proportional to 62,616.08, 86,412.28 and 34,321.84 is: 47,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,616.08 : 86,412.28 = 34,321.84 : x
  2. Step 2: Convert to fraction form
    62,616.08/86,412.28 = 34,321.84/x
  3. Step 3: Cross multiply
    62,616.08x = 86,412.28 × 34,321.84
  4. Step 4: Simplify right side
    62,616.08x = 2,965,828,448.20
  5. Step 5: Solve for x
    x = 2,965,828,448.20/62,616.08
  6. Step 6: Final answer
    x = 47,365.28

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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.