Home / 106,148.15-146,485.61-57,750.36

Finding the Fourth Proportional to 106,148.15, 146,485.61 and 57,750.36

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Solution

The fourth proportional to 106,148.15, 146,485.61 and 57,750.36 is: 79,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,148.15 : 146,485.61 = 57,750.36 : x
  2. Step 2: Convert to fraction form
    106,148.15/146,485.61 = 57,750.36/x
  3. Step 3: Cross multiply
    106,148.15x = 146,485.61 × 57,750.36
  4. Step 4: Simplify right side
    106,148.15x = 8,459,596,690.32
  5. Step 5: Solve for x
    x = 8,459,596,690.32/106,148.15
  6. Step 6: Final answer
    x = 79,696.13

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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.