Home / 106,550.10-147,064.26-61,254.36

Finding the Fourth Proportional to 106,550.10, 147,064.26 and 61,254.36

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Solution

The fourth proportional to 106,550.10, 147,064.26 and 61,254.36 is: 84,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.10 : 147,064.26 = 61,254.36 : x
  2. Step 2: Convert to fraction form
    106,550.10/147,064.26 = 61,254.36/x
  3. Step 3: Cross multiply
    106,550.10x = 147,064.26 × 61,254.36
  4. Step 4: Simplify right side
    106,550.10x = 9,008,327,125.17
  5. Step 5: Solve for x
    x = 9,008,327,125.17/106,550.10
  6. Step 6: Final answer
    x = 84,545.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.