Home / 104,237.90-143,848.28-56,491.25

Finding the Fourth Proportional to 104,237.90, 143,848.28 and 56,491.25

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Solution

The fourth proportional to 104,237.90, 143,848.28 and 56,491.25 is: 77,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,237.90 : 143,848.28 = 56,491.25 : x
  2. Step 2: Convert to fraction form
    104,237.90/143,848.28 = 56,491.25/x
  3. Step 3: Cross multiply
    104,237.90x = 143,848.28 × 56,491.25
  4. Step 4: Simplify right side
    104,237.90x = 8,126,168,145.85
  5. Step 5: Solve for x
    x = 8,126,168,145.85/104,237.90
  6. Step 6: Final answer
    x = 77,957.91

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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.