Home / 106,088.60-159,113.46-42,905.36

Finding the Fourth Proportional to 106,088.60, 159,113.46 and 42,905.36

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Solution

The fourth proportional to 106,088.60, 159,113.46 and 42,905.36 is: 64,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,088.60 : 159,113.46 = 42,905.36 : x
  2. Step 2: Convert to fraction form
    106,088.60/159,113.46 = 42,905.36/x
  3. Step 3: Cross multiply
    106,088.60x = 159,113.46 × 42,905.36
  4. Step 4: Simplify right side
    106,088.60x = 6,826,820,282.15
  5. Step 5: Solve for x
    x = 6,826,820,282.15/106,088.60
  6. Step 6: Final answer
    x = 64,350.18

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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.