Home / 106,087.60-159,111.96-42,904.36

Finding the Fourth Proportional to 106,087.60, 159,111.96 and 42,904.36

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Solution

The fourth proportional to 106,087.60, 159,111.96 and 42,904.36 is: 64,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,087.60 : 159,111.96 = 42,904.36 : x
  2. Step 2: Convert to fraction form
    106,087.60/159,111.96 = 42,904.36/x
  3. Step 3: Cross multiply
    106,087.60x = 159,111.96 × 42,904.36
  4. Step 4: Simplify right side
    106,087.60x = 6,826,596,812.15
  5. Step 5: Solve for x
    x = 6,826,596,812.15/106,087.60
  6. Step 6: Final answer
    x = 64,348.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.