Home / 106,555.25-147,038.40-61,233.32

Finding the Fourth Proportional to 106,555.25, 147,038.40 and 61,233.32

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Solution

The fourth proportional to 106,555.25, 147,038.40 and 61,233.32 is: 84,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,555.25 : 147,038.40 = 61,233.32 : x
  2. Step 2: Convert to fraction form
    106,555.25/147,038.40 = 61,233.32/x
  3. Step 3: Cross multiply
    106,555.25x = 147,038.40 × 61,233.32
  4. Step 4: Simplify right side
    106,555.25x = 9,003,648,664.30
  5. Step 5: Solve for x
    x = 9,003,648,664.30/106,555.25
  6. Step 6: Final answer
    x = 84,497.47

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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.