Home / 106,470.40-159,705.60-59,717.20

Finding the Fourth Proportional to 106,470.40, 159,705.60 and 59,717.20

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Solution

The fourth proportional to 106,470.40, 159,705.60 and 59,717.20 is: 89,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,470.40 : 159,705.60 = 59,717.20 : x
  2. Step 2: Convert to fraction form
    106,470.40/159,705.60 = 59,717.20/x
  3. Step 3: Cross multiply
    106,470.40x = 159,705.60 × 59,717.20
  4. Step 4: Simplify right side
    106,470.40x = 9,537,171,256.32
  5. Step 5: Solve for x
    x = 9,537,171,256.32/106,470.40
  6. Step 6: Final answer
    x = 89,575.80

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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.