Home / 62,928.64-86,840.40-34,634.08

Finding the Fourth Proportional to 62,928.64, 86,840.40 and 34,634.08

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Solution

The fourth proportional to 62,928.64, 86,840.40 and 34,634.08 is: 47,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,928.64 : 86,840.40 = 34,634.08 : x
  2. Step 2: Convert to fraction form
    62,928.64/86,840.40 = 34,634.08/x
  3. Step 3: Cross multiply
    62,928.64x = 86,840.40 × 34,634.08
  4. Step 4: Simplify right side
    62,928.64x = 3,007,637,360.83
  5. Step 5: Solve for x
    x = 3,007,637,360.83/62,928.64
  6. Step 6: Final answer
    x = 47,794.41

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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.