Home / 106,792.40-147,374.44-59,047.76

Finding the Fourth Proportional to 106,792.40, 147,374.44 and 59,047.76

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Solution

The fourth proportional to 106,792.40, 147,374.44 and 59,047.76 is: 81,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,792.40 : 147,374.44 = 59,047.76 : x
  2. Step 2: Convert to fraction form
    106,792.40/147,374.44 = 59,047.76/x
  3. Step 3: Cross multiply
    106,792.40x = 147,374.44 × 59,047.76
  4. Step 4: Simplify right side
    106,792.40x = 8,702,130,563.25
  5. Step 5: Solve for x
    x = 8,702,130,563.25/106,792.40
  6. Step 6: Final answer
    x = 81,486.42

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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.