Home / 104,281.18-143,915.40-58,959.60

Finding the Fourth Proportional to 104,281.18, 143,915.40 and 58,959.60

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Solution

The fourth proportional to 104,281.18, 143,915.40 and 58,959.60 is: 81,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.18 : 143,915.40 = 58,959.60 : x
  2. Step 2: Convert to fraction form
    104,281.18/143,915.40 = 58,959.60/x
  3. Step 3: Cross multiply
    104,281.18x = 143,915.40 × 58,959.60
  4. Step 4: Simplify right side
    104,281.18x = 8,485,194,417.84
  5. Step 5: Solve for x
    x = 8,485,194,417.84/104,281.18
  6. Step 6: Final answer
    x = 81,368.42

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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.