Home / 106,368.28-146,788.50-57,970.60

Finding the Fourth Proportional to 106,368.28, 146,788.50 and 57,970.60

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Solution

The fourth proportional to 106,368.28, 146,788.50 and 57,970.60 is: 79,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,368.28 : 146,788.50 = 57,970.60 : x
  2. Step 2: Convert to fraction form
    106,368.28/146,788.50 = 57,970.60/x
  3. Step 3: Cross multiply
    106,368.28x = 146,788.50 × 57,970.60
  4. Step 4: Simplify right side
    106,368.28x = 8,509,417,418.10
  5. Step 5: Solve for x
    x = 8,509,417,418.10/106,368.28
  6. Step 6: Final answer
    x = 79,999.58

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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.