Home / 106,045.38-159,068.07-42,893.46

Finding the Fourth Proportional to 106,045.38, 159,068.07 and 42,893.46

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Solution

The fourth proportional to 106,045.38, 159,068.07 and 42,893.46 is: 64,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,045.38 : 159,068.07 = 42,893.46 : x
  2. Step 2: Convert to fraction form
    106,045.38/159,068.07 = 42,893.46/x
  3. Step 3: Cross multiply
    106,045.38x = 159,068.07 × 42,893.46
  4. Step 4: Simplify right side
    106,045.38x = 6,822,979,897.82
  5. Step 5: Solve for x
    x = 6,822,979,897.82/106,045.38
  6. Step 6: Final answer
    x = 64,340.19

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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.