Home / 106,070.26-159,149.45-42,935.01

Finding the Fourth Proportional to 106,070.26, 159,149.45 and 42,935.01

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Solution

The fourth proportional to 106,070.26, 159,149.45 and 42,935.01 is: 64,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,070.26 : 159,149.45 = 42,935.01 : x
  2. Step 2: Convert to fraction form
    106,070.26/159,149.45 = 42,935.01/x
  3. Step 3: Cross multiply
    106,070.26x = 159,149.45 × 42,935.01
  4. Step 4: Simplify right side
    106,070.26x = 6,833,083,012.57
  5. Step 5: Solve for x
    x = 6,833,083,012.57/106,070.26
  6. Step 6: Final answer
    x = 64,420.35

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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.