Home / 106,032.42-159,029.16-42,836.01

Finding the Fourth Proportional to 106,032.42, 159,029.16 and 42,836.01

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Solution

The fourth proportional to 106,032.42, 159,029.16 and 42,836.01 is: 64,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,032.42 : 159,029.16 = 42,836.01 : x
  2. Step 2: Convert to fraction form
    106,032.42/159,029.16 = 42,836.01/x
  3. Step 3: Cross multiply
    106,032.42x = 159,029.16 × 42,836.01
  4. Step 4: Simplify right side
    106,032.42x = 6,812,174,688.05
  5. Step 5: Solve for x
    x = 6,812,174,688.05/106,032.42
  6. Step 6: Final answer
    x = 64,246.15

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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.