Home / 106,904.88-147,518.73-63,875.81

Finding the Fourth Proportional to 106,904.88, 147,518.73 and 63,875.81

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Solution

The fourth proportional to 106,904.88, 147,518.73 and 63,875.81 is: 88,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,904.88 : 147,518.73 = 63,875.81 : x
  2. Step 2: Convert to fraction form
    106,904.88/147,518.73 = 63,875.81/x
  3. Step 3: Cross multiply
    106,904.88x = 147,518.73 × 63,875.81
  4. Step 4: Simplify right side
    106,904.88x = 9,422,877,944.99
  5. Step 5: Solve for x
    x = 9,422,877,944.99/106,904.88
  6. Step 6: Final answer
    x = 88,142.63

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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.