Home / 104,622.90-144,376.47-56,875.02

Finding the Fourth Proportional to 104,622.90, 144,376.47 and 56,875.02

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Solution

The fourth proportional to 104,622.90, 144,376.47 and 56,875.02 is: 78,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.90 : 144,376.47 = 56,875.02 : x
  2. Step 2: Convert to fraction form
    104,622.90/144,376.47 = 56,875.02/x
  3. Step 3: Cross multiply
    104,622.90x = 144,376.47 × 56,875.02
  4. Step 4: Simplify right side
    104,622.90x = 8,211,414,618.78
  5. Step 5: Solve for x
    x = 8,211,414,618.78/104,622.90
  6. Step 6: Final answer
    x = 78,485.82

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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.