Home / 112,993.12-155,926.80-62,695.84

Finding the Fourth Proportional to 112,993.12, 155,926.80 and 62,695.84

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Solution

The fourth proportional to 112,993.12, 155,926.80 and 62,695.84 is: 86,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993.12 : 155,926.80 = 62,695.84 : x
  2. Step 2: Convert to fraction form
    112,993.12/155,926.80 = 62,695.84/x
  3. Step 3: Cross multiply
    112,993.12x = 155,926.80 × 62,695.84
  4. Step 4: Simplify right side
    112,993.12x = 9,775,961,704.51
  5. Step 5: Solve for x
    x = 9,775,961,704.51/112,993.12
  6. Step 6: Final answer
    x = 86,518.20

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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.